CN216770543U - New energy automobile relay contact clearance and power value check out test set - Google Patents

Abstract

The utility model discloses a new energy automobile relay contact gap and force value detection device, which comprises a fixed bottom plate, a control cabinet and a touch screen control platform, wherein two fixed seats, a cylinder seat and a motor seat are arranged on the fixed bottom plate, a relay placing frame is arranged between the two fixed seats, a first through hole is arranged at the bottom of the relay placing frame, a relay clamp is arranged above the relay placing frame, a second through hole aligned with the first through hole is arranged at the bottom of the relay clamp, two first pin mounting notches for inserting relay pins are arranged at the side edge of the relay clamp respectively, a cylinder is arranged above the cylinder seat, a fixed plate is connected onto a piston rod of the cylinder, a contact mounting frame is fixed onto the fixed plate, an electrified contact is arranged in the contact mounting frame, a linear moving module is arranged on the motor seat, and a contact fixed plate is connected onto the linear moving module in a sliding manner, a pressure sensor and a displacement sensor are arranged on the contact fixing plate; the utility model realizes the automatic detection of the relay.

Description

New energy automobile relay contact clearance and power value check out test set

Technical Field

The utility model relates to the technical field of detection equipment, in particular to new energy automobile relay contact gap and force value detection equipment.

Background

The relay is a control element, is a circuit switch and has protection property, and is a core element of the new energy automobile. The main function is to use the low voltage to remotely control the on-off switch of the high voltage circuit (the safe low voltage is 12V-72V to control the unsafe high voltage is 300V-1000V), the main function is usually applied to the automatic control circuit, it is an 'automatic switch' which actually uses the small current to control the large current to operate, and forms the functions of the safety protection mechanism and the conversion circuit with other components in the circuit; the arc extinguishing device is mainly characterized by fast action, small volume, high arc extinguishing safety, high action reliability and long service life. The relay can be remotely connected and disconnected in a circuit to realize a remote switching function, a current circuit is switched on and off to realize a multi-circuit mutual switching function, a multi-device shared circuit is realized by the multi-circuit mutual switching function, so that the miniaturization of the device is realized, the relay and other components form an automatic control circuit to form a real-time detection monitoring safety mechanism, and a matching system plays automatic cut-off protection of electric shock prevention, fire prevention, device damage and the like to realize automatic industrialization.

The high-voltage direct-current relay is one of various relays, and is mainly used for realizing power protection, automation, movement, remote control, measurement, communication and the like for automobiles, solar energy, wind energy, charging piles, power storage systems, industrial automation and the like in new energy industries; the charging and discharging circuit is switched and protected in the new energy automobile, a safety mechanism for preventing equipment faults or short circuit, fire and the like is combined, the fault circuit is automatically detected and isolated, the equipment damage range is prevented from being further expanded, the maintenance cost is saved, the anti-creeping protection is realized, the service life of the battery is effectively prolonged, and the new energy automobile is used as a core element for controlling the air conditioner, the steering, the brake, the air pump, the motor and the like.

The most common relay 37 is shown in fig. 1, and comprises two contacts 1-1 and an operating rod 1-2 which are positioned at the side edge, because the operating rod 1-2 is elastic and convenient to reset, after the relay is processed, the height of the contact inside the two contacts 1-1 inside the relay needs to be detected, the contact height needs to meet a certain height requirement to be calculated into a qualified product, at present, the contact gap of the relay is generally detected manually, so that the detection efficiency is low, the detection is inaccurate, in order to solve the problem, some manufacturers set detection equipment, and for new energy automobiles, the pressure which needs to be borne by the operating rod 1-2 of the relay also meets the requirement, but the detection equipment is not set at present, so that the present relay is easy to damage, and the number of later-stage replacement is large, increase the later maintenance cost of the automobile, so the improvement is needed.

Disclosure of Invention

The utility model aims to provide new energy automobile relay contact gap and force value detection equipment, and aims to solve the problems that manual detection efficiency is low, detection is inaccurate, and relay pressure cannot be detected, so that the number of times of relay replacement in the later period is large.

In order to achieve the purpose, the utility model provides the following technical scheme: a new energy automobile relay contact gap and force value detection device comprises a fixed base plate, a control cabinet is arranged on the fixed base plate, a power supply and a controller serving as a core control component are arranged in the control cabinet, a touch screen control platform electrically connected with the controller is arranged at the front end of the control cabinet, two fixing seats, an air cylinder seat and a motor seat are arranged on the fixed base plate, a relay placing frame is arranged between the two fixing seats, a first through hole is formed in the bottom of the relay placing frame, a relay clamp is arranged above the relay placing frame, a second through hole aligned with the first through hole is formed in the bottom of the relay clamp, two first pin mounting notches respectively used for inserting relay pins are formed in the side edge of the relay clamp, and an operating rod of the relay penetrates through the second through hole and the first through hole, a cylinder with a piston rod vertically downward is arranged above a cylinder seat, a fixed plate is connected on the piston rod of the cylinder, a contact mounting frame is fixed on the fixed plate through a fixed screw, two power-on contacts which are respectively connected with two contacts on a relay are arranged in the contact mounting frame, the power-on contacts are electrically connected with a controller, the conduction condition of the relay can be obtained when the power-on contacts are pressed downwards and respectively contacted with the two contacts on the relay, a linear moving module which is vertically arranged is arranged on a motor seat, a sliding plate is connected on the linear moving module in a sliding manner, a contact fixed plate is horizontally arranged on the sliding plate, a pressure sensor which is electrically connected with the controller penetrates through one end of the contact fixed plate, the pressure sensor can be abutted against an operating rod on the relay when moving up and down, and the stepping motor is arranged at the upper end of the linear moving module, the stepping motor is used for driving a sliding plate on the linear moving module to move up and down, the contact fixing plate is further provided with a displacement sensor with a detection head penetrating through the contact fixing plate, the upper end of the linear moving module is provided with a top plate located right above the detection head of the displacement sensor, a distance exists between the top plate and the detection head of the displacement sensor, and the distance between the end part of the detection head of the displacement sensor and the lower surface of the top plate is equal to the distance between the end part of the detection head of the displacement sensor and the lower surface of the top plate in the maximum moving range of the displacement sensor.

Furthermore, in order to realize the adjustment of the pressure, a pressure adjusting valve electrically connected with the control cabinet is also arranged at the front end of the control cabinet.

Preferably, in order to facilitate fixation, the displacement sensor is sleeved with a micro-sensor fixing ring, and the micro-sensor fixing ring is fixed on the contact fixing plate.

Preferably, in order to facilitate fixing, extending platforms which are contacted with the upper end of the relay placing frame are arranged on two sides of the relay clamp.

Furthermore, the fixing seats are of L-shaped structures, and each fixing seat is provided with a first reinforcing fixing rib.

Preferably, for convenience of fixation, the cylinder block comprises two 7-shaped brackets, a fixing strip is arranged above the two 7-shaped brackets, an inclined second reinforcing fixing rib is arranged between a transverse strip and a longitudinal strip of each 7-shaped bracket, a cylinder fixing plate is connected to the front ends of the transverse strips of the two 7-shaped brackets, and the cylinders are fixed on the cylinder fixing plate.

Preferably, for the convenience of fixing, the pressure sensor is fixed on the contact fixing plate through a sensor bracket.

Preferably, for convenience of fixing, the lower part of the fixing plate is connected with the contact mounting frame through a fixing clamping plate.

Preferably, the lower part of the fixed bottom plate is in threaded connection with an adjusting foot, and the bottom of the adjusting foot is provided with a silica gel pad.

Preferably, the fixed base plate is provided with a start button and an emergency stop button electrically connected to the controller.

Compared with the prior art, the utility model has the following beneficial effects:

1. the height of the contacts of the two contact parts in the relay can be automatically detected;

2. automatic detection is realized, and the detection efficiency and the detection accuracy are improved;

3. the automatic pressure detection is carried out on the pressure condition of the relay, so that the problem that the relay pressure is not timely found to be used under the condition that the relay pressure is not qualified in the later period due to the fact that the relay does not detect the pressure of an operating rod of the relay is solved, and the relay is required to be frequently replaced in the later period.

Drawings

FIG. 1 is a schematic diagram of a prior art relay;

FIG. 2 is a bottom view of a prior art relay configuration;

fig. 3 is a schematic view of an overall structure of the relay contact gap and force value detection apparatus for a new energy vehicle in embodiment 1;

FIG. 4 is a schematic diagram of the relay, the relay holder, and the relay clip of FIG. 3 shown separated from other components;

FIG. 5 is a schematic diagram of a relay clip;

fig. 6 is a schematic structural diagram of the relay placement frame;

FIG. 7 is a schematic structural view of a motor base and other components;

FIG. 8 is a schematic view of the structure of FIG. 7 without the top plate;

FIG. 9 is a schematic view of the cylinder block and other components;

FIG. 10 is a schematic view of the stationary jaw, contact mounting bracket, and energized contacts of FIG. 9 shown separated from other components;

fig. 11 is a bottom view of the contact mounting bracket.

In the figure: the device comprises a fixed bottom plate 1, contacts 1-1, an operating rod 1-2, a control cabinet 2, a touch screen control platform 3, a cylinder block 4, a motor base 5, a relay placing frame 6, a first through hole 7, a relay clamp 8, a second through hole 9, a first pin mounting notch 10, a cylinder 11, a fixed plate 12, a fixed screw 13, a contact mounting frame 14, an electrified contact 15, a linear moving module 16, a pressure sensor 17, a sliding plate 19, a stepping motor 18, a detection head 20-1, a displacement sensor 20, a top plate 21, a pressure regulating valve 22, a micro-sensor fixing ring 23, a stretching table 24, a first reinforcing fixing rib 25, a 7-shaped bracket 26, a fixed strip 27, a second reinforcing fixing rib 28, a cross strip 26-1, a sensor bracket 29, a fixed clamping plate 30, a regulating pin 31, a silica gel pad 32, a starting button 33, an emergency stop button 34, a fixed seat 35, a positioning plate 36, A relay 37.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-11, an embodiment of the present invention is shown: a new energy automobile relay contact gap and force value detection device comprises a fixed base plate 1, a control cabinet 2 is arranged on the fixed base plate 1, a power supply and a controller serving as a core control component are arranged in the control cabinet 2, a touch screen control platform 3 electrically connected with the controller is arranged at the front end of the control cabinet 2, two fixing seats 35, an air cylinder seat 4 and a motor seat 5 are arranged on the fixed base plate 1, a relay placing frame 6 is arranged between the two fixing seats 35, a first through hole 7 is arranged at the bottom of the relay placing frame 6, a relay clamp 8 is arranged above the relay placing frame 6, a second through hole 9 aligned with the first through hole 7 is arranged at the bottom of the relay clamp 8, two first pin mounting notches 10 used for inserting relay pins 37 are arranged on the side edge of the relay clamp 8, an operating rod 1-2 of the relay 37 penetrates through the second through hole 9 and the first through hole 7, a cylinder 11 with a vertically downward piston rod is arranged above the cylinder block 4, a fixing plate 12 is connected to the piston rod of the cylinder 11, a contact mounting frame 14 is fixed to the fixing plate 12 through a fixing screw 13, two power contacts 15 respectively connected with two contacts 1-1 on the relay are arranged in the contact mounting frame 14, the power contacts 15 are electrically connected with a controller, the power contacts 15 can acquire the conduction condition of the relay 37 when being pressed downwards and respectively contacted with the two contacts 1-1 on the relay 37, a vertically arranged linear moving module 16 is arranged on the motor base 5, a sliding plate 19 is slidably connected on the linear moving module 16, a positioning plate 36 is horizontally arranged on the sliding plate 19, one end of the positioning plate 36 penetrates through a pressure sensor 17 electrically connected with the controller, the pressure sensor 17 can abut against an operating rod 1-2 on a relay 37 when moving up and down, the stepping motor 18 is arranged at the upper end of the linear moving module 16, the stepping motor 18 is used for driving a sliding plate 19 on the linear moving module 16 to move up and down, a displacement sensor 20 with a detection head 20-1 penetrating through a positioning plate 36 is further arranged on the positioning plate 36, a top plate 21 located right above the detection head 20-1 of the displacement sensor 20 is arranged at the upper end of the linear moving module 16, a distance exists between the top plate 21 and the detection head 20-1 of the displacement sensor 20, and the maximum moving range of the displacement sensor 20 is equal to the distance between the end part of the detection head 20-1 of the displacement sensor 20 and the lower surface of the top plate 21.

When the structure is arranged to work, firstly, the relay 37 is placed on the relay clamp 8, then the relay clamp 8 is placed on the relay placing frame 6 to be fixed, then the driving cylinder 11 works to drive the contact mounting frame 14 to move downwards, the two electrified contacts 15 in the contact mounting frame 14 move downwards and contact with the two contacts 1-1 to detect whether the two contacts 1-1 of the relay are conducted or not, in addition, the stepping motor 18 below is driven to work to drive the sliding plate 19 to move upwards along the linear moving module 16 and ensure that the pressure sensor 17 is propped against the operating rod 1-2 below the relay 37, at the moment, the displacement sensor 20 generates displacement along with the process that the pressure sensor 17 is propped against the relay 37, and the displacement (because the upper part of the relay is propped by the contact mounting frame 14) is the contact length, namely the height, of the two contacts 1-1 in the relay inside, therefore, the height of the relay contact is automatically measured, the pressure condition of the operating rod 1-2 of the relay is detected through the pressure sensor 17, whether the requirement is met or not is met, and the following technical effects can be achieved through the device:

1. the height of the contacts in the two contacts 1-1 in the relay can be automatically detected;

2. automatic detection is realized, and the detection efficiency and the detection accuracy are improved;

3. the automatic pressure detection is carried out on the pressure condition of the relay, so that the problem that the relay pressure is not timely found to be used under the condition that the relay pressure is not qualified in the later period due to the fact that the relay does not detect the pressure of an operating rod of the relay is solved, and the relay is required to be frequently replaced in the later period.

Further, in order to realize the adjustment of the pressure, a pressure adjusting valve 22 electrically connected with the controller is further arranged at the front end of the control cabinet 2, and is used for adjusting the working air pressure of the equipment, because an air cylinder 11 on the equipment needs to use the air pressure, the pressure adjusting valve is used for controlling the air pressure of the air cylinder 11, so that the pressing force of the air cylinder is adjusted, and the product is prevented from being damaged by too high air pressure of the air cylinder.

Preferably, in order to facilitate the fixing, the micro sensor fixing ring 23 is sleeved outside the displacement sensor 20, the micro sensor fixing ring 23 is fixed on the positioning plate 36, and the displacement sensor 20 is conveniently fixed by arranging the micro sensor fixing ring 23.

As preferred, for convenient fixed, the both sides of relay clamp 8 are provided with the platform 24 that stretches with the edge of the contact of relay rack 6 upper end, stretch platform 24 with relay clamp 8 frame on relay rack 6 through setting up, realize the fixed mode of no screw, and convenient fixed, later stage also convenient dismantlement.

Further, fixing base 35 be L type structure, be provided with first fixed muscle 25 of strengthening on each fixing base 35, through setting up first fixed muscle 25 improvement fixed strength of strengthening, also easy to assemble.

Preferably, for convenience of fixation, the cylinder block 4 comprises two 7-shaped brackets 26, a fixing strip 27 is arranged above the two 7-shaped brackets 26, an inclined second reinforcing fixing rib 28 is arranged between a transverse strip 26-1 and a longitudinal strip 26-2 of the 7-shaped brackets 26, a cylinder fixing plate 12 is connected to the front end of the transverse strip 26-1 of the two 7-shaped brackets 26, and the cylinder 11 is fixed on the cylinder fixing plate 12.

Preferably, for the convenience of fixing, the pressure sensor 17 is fixed on the positioning plate 36 through a sensor bracket 29.

Preferably, the lower part of the fixing plate 12 is connected with the contact mounting frame 14 through a fixing clamp plate 30 for fixing.

Preferably, 4 adjusting pins 31 are connected to the lower part of the fixing base plate 1 through threads, a silica gel pad 32 is arranged at the bottom of each adjusting pin 31, and the silica gel pad 32 is arranged to improve the friction force with the ground so as to avoid movement.

Preferably, a start button 33 and an emergency stop button 34 electrically connected to the controller are provided on the fixed base plate 1, and the emergency stop button 34 is provided to perform an immediate stop operation in case of a failure, thereby improving safety.

In the present embodiment, the model of the linear moving module 16 is KK401C100A1F0C, the pressure sensor 17 is a miniature pressure sensor of AT8201, the model of the displacement sensor 20 is GT2-H12, and how the linear moving module 16 performs linear movement belongs to the conventional technology in the art, and therefore, no specific description is made.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a new energy automobile relay contact clearance and power value check out test set, includes PMKD (1), is provided with switch board (2) on PMKD (1), is provided with the power in switch board (2) and as the controller of core control part, is provided with the touch-sensitive screen control platform (3) of being connected with the controller electricity at the front end of switch board (2), its characterized in that: two fixing seats (35), an air cylinder seat (4) and a motor seat (5) are arranged on a fixed bottom plate (1), a relay placing frame (6) is arranged between the two fixing seats (35), a first through hole (7) is arranged at the bottom of the relay placing frame (6), a relay clamp (8) is arranged above the relay placing frame (6), a second through hole (9) aligned with the first through hole (7) is arranged at the bottom of the relay clamp (8), two first pin mounting notches (10) used for inserting relay pins respectively are arranged at the side edge of the relay clamp (8), an operating rod (1-2) of the relay penetrates through the second through hole (9) and the first through hole (7), an air cylinder (11) with a piston rod vertically downward is arranged above the air cylinder seat (4), and a fixed plate (12) is connected onto the piston rod of the air cylinder (11), a contact mounting rack (14) is fixed on the fixing plate (12) through a fixing screw (13), two electrifying contacts (15) respectively connected with two contacts (1-1) on the relay are arranged in the contact mounting rack (14), the electrifying contacts (15) are electrically connected with the controller, the conduction condition of the relay can be obtained when the electrifying contacts (15) are pressed downwards and respectively contacted with the two contacts (1-1) on the relay, a linear moving module (16) vertically arranged is arranged on the motor base (5), a sliding plate (19) is connected on the linear moving module (16) in a sliding way, a positioning plate (36) is horizontally arranged on the sliding plate (19), a pressure sensor (17) electrically connected with the controller penetrates through one end of the positioning plate (36), and the pressure sensor (17) can be abutted against an operating rod (1-2) on the relay when moving up and down, the linear movement device is characterized in that a stepping motor (18) is arranged at the upper end of the linear movement module (16), the stepping motor (18) is used for driving a sliding plate (19) on the linear movement module (16) to move up and down, a displacement sensor (20) with a detection head (20-1) penetrating through the positioning plate (36) is further arranged on the positioning plate (36), a top plate (21) located right above the detection head (20-1) of the displacement sensor (20) is arranged at the upper end of the linear movement module (16), a distance exists between the top plate (21) and the detection head (20-1) of the displacement sensor (20), and the maximum movement range of the displacement sensor (20) is equal to the distance between the end part of the detection head (20-1) of the displacement sensor (20) and the lower surface of the top plate (21).

2. The new energy automobile relay contact gap and force value detection device of claim 1, characterized in that: the front end of the control cabinet (2) is also provided with a pressure regulating valve (22) electrically connected with the controller.

3. The new energy automobile relay contact gap and force value detection device of claim 2, characterized in that: displacement sensor (20) overcoat have microsensor fixed ring (23), microsensor fixed ring (23) is fixed locating plate (36) on.

4. The new energy automobile relay contact gap and force value detection device of claim 3, characterized in that: and extension platforms (24) which are contacted with the upper end of the relay placing frame (6) are arranged on two sides of the relay clamp (8).

5. The new energy automobile relay contact gap and force value detection device according to claim 4, characterized in that: the fixing seats (35) are of L-shaped structures, and each fixing seat (35) is provided with a first reinforcing fixing rib (25).

6. The new energy automobile relay contact gap and force value detection device of claim 5, characterized in that: the air cylinder seat (4) comprises two 7-shaped supports (26), a fixing strip (27) is arranged between the two 7-shaped supports (26), an inclined second reinforcing fixing rib (28) is arranged between a transverse strip (26-1) and a longitudinal strip (26-2) of each 7-shaped support (26), an air cylinder fixing plate (12) is connected to the front end of the transverse strip (26-1) of each 7-shaped support (26), and the air cylinder (11) is fixed on the air cylinder fixing plate (12).

7. The new energy automobile relay contact gap and force value detection device of claim 6, characterized in that: the pressure sensor (17) is fixed on the positioning plate (36) through a sensor bracket (29).

8. The new energy automobile relay contact gap and force value detection device of claim 1, characterized in that: the lower part of the fixed plate (12) is connected with the contact mounting frame (14) through a fixed clamping plate (30).

9. The new energy automobile relay contact gap and force value detection device of claim 7, characterized in that: the lower part of the fixed bottom plate (1) is in threaded connection with 4 adjusting feet (31), and the bottom of each adjusting foot (31) is provided with a silica gel pad (32).

10. The new energy automobile relay contact gap and force value detection device of claim 8, characterized in that: a starting button (33) and an emergency stop button (34) which are electrically connected with the controller are arranged on the fixed bottom plate (1).

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