CN209521545U

CN209521545U - A kind of electric locomotive control under-voltage protective device

Info

Publication number: CN209521545U
Application number: CN201920191805.7U
Authority: CN
Inventors: 李显龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-12
Filing date: 2019-02-12
Publication date: 2019-10-22
Anticipated expiration: 2029-02-12

Abstract

The utility model belongs to under-voltage protection technical field, disclose a kind of electric locomotive control under-voltage protective device, including conducting device, control device and executive device, there are two the conducting device and executive device are respectively provided with, and two conducting devices are located at the two sides of control device, two executive devices are respectively welded in the top of two conducting devices, the inside of two conducting devices is mounted on junction block and normally closed switch, the junction block is located at the side of normally closed switch, and conducting wire is connected between junction block and normally closed switch, the first connecting terminal is welded on the side outer wall of two junction blocks, the utility model is provided with conducting device, control device and executive device, Global Macros device carry out using when, connection is realized respectively using three parts, the operation such as control and execution driving, and again It cooperates, to complete the protection in whole route and reset operation.

Description

A kind of electric locomotive control under-voltage protective device

Technical field

The utility model belongs to under-voltage protection technical field, and in particular to a kind of electric locomotive control under-voltage protection dress It sets.

Background technique

Under-voltage protection refers to when electrical equipment operates normally, when reducing supply voltage excessively for some reason, benefit Power supply circuit is automatically cut off with corresponding protective device, to avoid the operation of equipment burnout, corresponding protective device then becomes deficient Protective device is pressed, and in electric locomotive when in use using electric power as main driving method, by taking the locomotive of battery class as an example, Battery can gradually consume the energy storage of inside battery during power supply, and with the reduction of energy storage, the output voltage of battery Also a degree of reduction can be accordingly generated, then will appear under-voltage phenomenon when output voltage is too low, thus in electric locomotive It is also required to be equipped with corresponding undervoltage protection device in power supply line, but there are a variety of electrical inside it for existing undervoltage protection device Element and executive component (elements such as voltage detecting, control and open circuit execution), and need to carry out between each element corresponding Connection, cause the process operation of existing apparatus complex, and machining accuracy is higher so that the production cost of device itself also compared with Height in addition, existing protective device when being dismounted, needs to disconnect specified circuit, and also needs weight after the completion of dismounting New connection circuit is just able to achieve the connection between power supply and load, and the disassembling operations of protective device is caused to be inconvenient.

Utility model content

The purpose of this utility model is to provide a kind of electric locomotives to control under-voltage protective device, existing to solve Protective device has that processing cost is higher and efficiency is lower since its structure is complex during processing, Yi Ji It is not easy to realize the problem of dismounting between protective device and specified circuit when use.

To achieve the above object, the utility model provides the following technical solutions: a kind of electric locomotive control under-voltage guarantor There are two protection unit, including conducting device, control device and executive device, the conducting device and executive device are respectively provided with, and Two conducting devices are located at the two sides of control device, and two executive devices are respectively welded in the top of two conducting devices End, the inside of two conducting devices are mounted on junction block and normally closed switch, and the junction block is located at the one of normally closed switch Side, and conducting wire is connected between junction block and normally closed switch, first, which is welded with, on the side outer wall of two junction blocks connects Line terminals, two first connecting terminals are connect with the electrode line of power supply and negative line respectively, the two sides of the control device It is welded with wire seat on inner wall, manograph and single-chip microcontroller are connected between two wire seats, the manograph is located at single The side of piece machine, the inside of the executive device are equipped with electromagnetic coil and permanent magnetic plate, and the permanent magnetic plate is located at electromagnetic coil Side, and spring is welded between permanent magnetic plate and executive device inner wall, the permanent magnetic plate is far from the side outer wall of electromagnetic coil It is welded with connecting rod, the movable end of the connecting rod is welded with pressing plate, and the pressing plate is located at the top of normally closed switch.

Preferably, the top of two junction blocks and executive device is welded with third connecting terminal, leads described in two The top of line seat is respectively mounted there are two the second connecting terminal, is connected between four second connecting terminals and third connecting terminal It is connected to connecting line, the both ends of the connecting line are removably to be connected together with third connecting terminal with the second connecting terminal.

Preferably, time-delay relay, and two delay relays are respectively connected between two wire seats and executive device Device is respectively arranged in the top of two wire seats, and the electromagnetic coil and time-delay relay are electrically connected, and the manograph and prolongs When relay with single-chip microcontroller be electrically connected.

Preferably, it is welded with mounting base between two conducting devices, the bottom end of the control device is welded with company Fishplate bar, the connecting plate are bolted to connection with mounting base.

Preferably, the width of the mounting base is greater than the width of connecting plate, and is located at connecting plate side on mounting base Position at offer fixation hole.

The utility model compared with prior art, has the advantages that

(1) the utility model be provided with conducting device, control device and executive device, Global Macros device carry out using When, the operations such as connection, control and execution driving are realized respectively using three parts, and cooperate again, to complete entirety Protection in route and operation is resetted, the structure of various pieces is more for relatively existing protective device, in above-mentioned apparatus Simply, easy to process and installation, and in processing, various pieces can also carry out separation synchronous processing, greatly improve single unit system Processing efficiency and cost；

In addition, being combined with time-delay relay in the connection procedure for controlling and executing, made using the delay of time-delay relay With make the protection opening operation of single unit system there are certain time delay, to avoid occur because of circuit fluctuation moment it is under-voltage when Also occur disconnecting phenomenon, to avoid the opening and closing operation of being frequent property of normally closed switch, on the one hand extend normally closed switch uses the longevity On the other hand life improves stability when single unit system protection.

(2) the utility model is provided with the second connecting terminal, third connecting terminal and connecting line, in Global Macros device, Conducting device and control device form two parts that can be connect and split, and when connection, connecting line are utilized to realize the second terminals The conducting of son and third connecting terminal can be such that single unit system is in circuit protection, and when splitting, equally connecting line is torn open It removes, and control device does not have an impact the conducting effect of conducting device after dismounting, so that original power supply Load circuit can form conducting in the case where not needing and reconnecting, consequently facilitating realizing the disassembling operations of corresponding construction；

In addition, connecting plate and mounting base are also respectively welded on conducting device and control device, to make single unit system Installation and connection it is more stable.

Detailed description of the invention

Fig. 1 is the front view of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 is the side view of the utility model；

Fig. 4 is the circuit block diagram of the utility model；

In figure: 1- conducting device, 2- junction block, the first connecting terminal of 3-, 4- connecting plate, 5- mounting base, 6- control dress It sets, 7- wire seat, 8- manograph, the second connecting terminal of 9-, 10- connecting line, 11- third connecting terminal, 12- executive device, 13- Normally closed switch, 14- single-chip microcontroller, 15- time-delay relay, 16- electromagnetic coil, 17- connecting rod, 18- spring, 19- permanent magnetic plate, 20- pressure Plate, 21- fixation hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It please refers to shown in Fig. 1-Fig. 4, the utility model provides the following technical solutions: a kind of electric locomotive control under-voltage Protective device, including conducting device 1, control device 6 and executive device 12, control device 6 are mountable outside it when in use The supplementary structures such as indicator light or alarm device, to realize reminding effect when under-voltage protection, conducting device 1 and executive device 12 are all provided with There are two setting, and two conducting devices 1 are located at the two sides of control device 6, and two executive devices 12 are respectively welded in two The top of conducting device 1, the inside of two conducting devices 1 are mounted on junction block 2 and normally closed switch 13, and normally closed switch 13 refers to It is closure conducting under conventional sense, and then will form the common switch of disconnection under the action of depressed or extruding, junction block 2 Positioned at the side of normally closed switch 13, and conducting wire is connected between junction block 2 and normally closed switch 13, outside the side of two junction blocks 2 The first connecting terminal 3 is welded on wall, two the first connecting terminals 3 are connect with the electrode line of power supply and negative line respectively, control It is welded with wire seat 7 on the two sides inner wall of device 6 processed, is connected with manograph 8 and single-chip microcontroller 14 between two wire seats 7, leads to Cross manograph 8(i.e. voltage detector) output voltage of power supply can be effectively detected, in order to make Global Macros device execute difference Operation, to form the conducting and protection of specified circuit, manograph 8 is located at the side of single-chip microcontroller 14, executive device 12 it is interior Portion is equipped with electromagnetic coil 16 and permanent magnetic plate 19, by the cooperation between electromagnetic coil 16 and permanent magnetic plate 19, can effectively realize and hold Luggage sets 12 operation that executes, such as permanent magnetic plate 19 can be moved, and the retraction and compression of pressing plate 20 are realized by movement, from And the opening and closing operation of normally closed switch 13 is completed, permanent magnetic plate 19 is located at the side of electromagnetic coil 16, and permanent magnetic plate 19 and executive device It is welded with spring 18 between 12 inner walls, permanent magnetic plate 19 is far from being welded with connecting rod 17, connecting rod 17 on the side outer wall of electromagnetic coil 16 Movable end be welded with pressing plate 20, pressing plate 20 is located at the top of normally closed switch 13.

For the ease of realizing the separable operation between conducting device 1 and executive device 12 and control device 6, the present embodiment In, it is preferred that the top of two junction blocks 2 and executive device 12 is welded with third connecting terminal 11, the top of two wire seats 7 The second connecting terminal 9 there are two being respectively mounted is held, is respectively connected with connection between four the second connecting terminals 9 and third connecting terminal 11 Line 10, the both ends of connecting line 10 are removably to be connected together with third connecting terminal 11 with the second connecting terminal 9, by right Cooperation between the connecting terminal answered and connecting line 10, so that can individually be dismantled between corresponding structure, to make entirety Device can be dismantled effectively under the premise of not influencing power supply, load circuit.

In order to which delay when realizing protection operation is breaking, in the present embodiment, it is preferred that two wire seats 7 and executive device Time-delay relay 15 is respectively connected between 12, and two time-delay relays 15 are respectively arranged in the top of two wire seats 7, electromagnetism Coil 16 and time-delay relay 15 are electrically connected, and manograph 8 and time-delay relay 15 are electrically connected with single-chip microcontroller 14.

In order to realize being stably connected between conducting device 1 and control device 6, in the present embodiment, it is preferred that two conductings Mounting base 5 is welded between device 1, the bottom end of control device 6 is welded with connecting plate 4, and connecting plate 4 passes through with mounting base 5 Bolt is fixedly connected.

For the ease of realizing the location and installation of conducting device 1, in the present embodiment, it is preferred that the width of mounting base 5 is greater than The width of connecting plate 4, and fixation hole 21 is offered at the position of 4 side of connecting plate on mounting base 5.

The working principle and process for using of the utility model: when using the utility model, first on mounting base 5 Fixation hole 21 and fixing bolt between cooperation, realize conducting device 1 location and installation, then utilize the first connecting terminal 3 The positive and negative polarity wire of power supply is connect with the side of two conducting devices 1 respectively, while the positive and negative polarity wire of load being corresponded to and is connected It is connected to the other side of conducting device 1, thus guarantee that power supply line is connect with junction block 2, and load line is connect with normally closed switch 13, When not installing control device 6, normally closed switch 13 is in closed state, and the executive device 12 on 1 top of conducting device is also not formed It is powered, thus, so that conducting device 1 under this state only plays the role of the conducting of circuit, and open circuit protection can not be formed；

After conducting device 1 is installed, then control device 6 is sticked at the position between two conducting devices 1, and benefit The fixation between connecting plate 4 and mounting base 5 is realized with fixing bolt, is then taken four connecting lines 10 again, is connected respectively Four the second connecting terminals 9 and third connecting terminal 11, complete the connection between control device 6 and conducting device 1 with this and are connected, In this case, using the cooperation of wire seat 7, so that formation is in parallel between manograph 8 and power supply and load, in order to effectively real The detection of existing electric power output voltage, while also to form conducting between single-chip microcontroller 14 and power supply, so that single-chip microcontroller 14 be made to be powered And locate working condition, when the supply voltage detected of manograph 8 is nominal low-voltage value or is lower than nominal low-voltage value (such as vehicle It is DC77V-137.5V that electrical equipment, which controls supply voltage allowed band, and nominal low-voltage value when detecting then may be set to 80- 85V), then start-up study relay 15, time-delay relay 15 start timing to single-chip microcontroller 14, and manograph 8 is surveyed after delay When voltage is still below nominal low-voltage value, time-delay relay 15 then executes closed procedure so that electromagnetic coil 16 and single-chip microcontroller 14 it Between form conducting, at this time electromagnetic coil 16 is powered, and magnetic field is generated under the action of electromagnetic induction, while using identical charges repel each other Principle generates repulsive interaction to permanent magnetic plate 19, so that permanent magnetic plate 19 is mobile to the direction far from electromagnetic coil 16, extension spring 18, Promotion is generated to pressing plate 20 by connecting rod 17 simultaneously, so that pressing plate 20 compresses normally closed switch 13, drives normally closed switch 13 to be formed disconnected Open operation, with this cut off the power and load between connection, certain protective effect is formed to power supply, and with the charging of power supply Or after other forms increase voltage, single-chip microcontroller 14 controls time-delay relay 15 again and disconnects, to make power supply and load Between be connected again.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of electric locomotive controls under-voltage protective device, including conducting device (1), control device (6) and executive device (12), there are two the conducting device (1) and executive device (12) are respectively provided with, and two conducting devices (1) are located at control The two sides of device (6), two executive devices (12) are respectively welded in the top of two conducting devices (1), it is characterised in that: The inside of two conducting devices (1) is mounted on junction block (2) and normally closed switch (13), and the junction block (2) is located at normal The side of (13) is closed in make and break, and conducting wire is connected between junction block (2) and normally closed switch (13), two junction blocks (2) Be welded on the outer wall of side the first connecting terminal (3), two first connecting terminals (3) respectively with the electrode line of power supply and Negative line connects, and is welded with wire seat (7) on the two sides inner wall of the control device (6), between two wire seats (7) It is connected with manograph (8) and single-chip microcontroller (14), the manograph (8) is located at the side of single-chip microcontroller (14), the executive device (12) inside is equipped with electromagnetic coil (16) and permanent magnetic plate (19), and the permanent magnetic plate (19) is located at the one of electromagnetic coil (16) Side, and be welded with spring (18) between permanent magnetic plate (19) and executive device (12) inner wall, the permanent magnetic plate (19) is far from electromagnetic wire It encloses on the side outer wall of (16) and is welded with connecting rod (17), the movable end of the connecting rod (17) is welded with pressing plate (20), the pressing plate (20) it is located at the top of normally closed switch (13).

2. a kind of electric locomotive according to claim 1 controls under-voltage protective device, it is characterised in that: described in two The top of junction block (2) and executive device (12) is welded with third connecting terminal (11), the top of two wire seats (7) There are two being respectively mounted the second connecting terminal (9), connect between four second connecting terminals (9) and third connecting terminal (11) It is connected to connecting line (10), both ends and the second connecting terminal (9) and third connecting terminal (11) of the connecting line (10) are can Disassembly is connected together.

3. a kind of electric locomotive according to claim 1 controls under-voltage protective device, it is characterised in that: described in two It is respectively connected between wire seat (7) and executive device (12) time-delay relay (15), and two time-delay relays (15) are pacified respectively Top loaded on two wire seats (7), the electromagnetic coil (16) and time-delay relay (15) are electrically connected, the manograph (8) it is electrically connected with single-chip microcontroller (14) with time-delay relay (15).

4. a kind of electric locomotive according to claim 1 controls under-voltage protective device, it is characterised in that: described in two It is welded between conducting device (1) mounting base (5), the bottom end of the control device (6) is welded with connecting plate (4), the company Fishplate bar (4) is bolted to connection with mounting base (5).

5. a kind of electric locomotive according to claim 4 controls under-voltage protective device, it is characterised in that: the installation The width of bottom plate (5) is greater than the width of connecting plate (4), and opens up at the position of connecting plate (4) side on mounting base (5) There are fixation hole (21).