CN217689333U

CN217689333U - Series electricity detection device for double-set direct-current power supply system of transformer substation

Info

Publication number: CN217689333U
Application number: CN202220331248.6U
Authority: CN
Inventors: 陈丽丽; 项文娜
Original assignee: Zhengzhou Huadong New Energy Technology Co ltd
Current assignee: Zhengzhou Huadong New Energy Technology Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-10-28
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a series electricity detection device of a double-set DC power supply system of a transformer substation, which comprises a shell and a wire clamping mechanism; a housing: the right end of the bottom wall of the shell is provided with a storage battery, the left end of the bottom wall of the shell is provided with a voltmeter, the front side of the left end of the bottom wall of the shell is provided with uniformly distributed resistors, the output ends of the resistors are electrically connected with the input end of a transfer block through wires, the rear end of the transfer block is electrically connected with the input end of a detection end of the voltmeter through a wire column, the front end of each resistor is provided with a contact, the front side surface of the shell is provided with a chute, the inside of the chute is connected with a sliding block in a sliding manner, the rear end of the sliding block is provided with a contact block, the contact block is installed in a matching manner with the contact, the front end of the contact block is provided with a first wire, the rear end of the first wire is positioned in a round hole in the middle of the sliding block, and the output end of the detection end of the voltmeter is provided with a second wire; the wire clamping mechanism comprises: set up respectively in the front end of wire one and wire two, this transformer substation's double-set direct current power supply system cluster electricity detection device has increased work efficiency, and the suitability is stronger.

Description

Series electricity detection device for double-set direct-current power supply system of transformer substation

Technical Field

The utility model relates to a transformer substation maintains technical field, specifically is transformer substation's double-unit direct current power supply system cluster electricity detection device.

Background

The transformer substation direct-current power supply system is used as an operating power supply such as a protection device power supply and a circuit breaker, is one of the most important systems of a transformer substation, and the operating condition of the transformer substation direct-current power supply system plays a crucial role in action behaviors of a relay protection device and the circuit breaker, so that the direct-current system and a network thereof are required to have high reliability.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide two sets of DC power supply system of transformer substation and play electric detection means, wiring end convenient operation can detect different scopes, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the double-set direct-current power supply system series electricity detection device of the transformer substation comprises a shell and a wire clamping mechanism;

a housing: the right end of the bottom wall of the shell is provided with a storage battery, the left end of the bottom wall of the shell is provided with a voltmeter, the front side of the left end of the bottom wall of the shell is provided with uniformly distributed resistors, the output ends of the resistors are electrically connected with the input end of a transfer block through wires, the rear end of the transfer block is electrically connected with the input end of a detection end of the voltmeter through a wire column, the front end of each resistor is provided with a contact, the front side surface of the shell is provided with a sliding groove, the inside of the sliding groove is connected with a sliding block in a sliding mode, the rear end of the sliding block is provided with a contact block, the contact block is installed in a matched mode with the contact, the front end of the contact block is provided with a first wire, the rear end of the first wire is located in a round hole in the middle of the sliding block, and the output end of the detection end of the voltmeter is provided with a second wire;

the wire clamping mechanism comprises: the front ends of the first lead and the second lead are respectively arranged;

wherein: still include the singlechip, the singlechip sets up in the right flank of casing, and the output of battery is connected to the input electricity of singlechip, and the singlechip is connected with the two-way electricity of voltmeter, and it is comparatively convenient that the operation is carried out to the centre gripping in-process, is convenient for carry out the centre gripping to the circuit and unclamps, has increased work efficiency, can adjust the resistance size of cluster income detection device inside to in the different detection demands of adaptation, the suitability is stronger.

Further, the wire clamping mechanism comprises a rectangular groove plate, a transmission sliding block, a rack plate, a rotating shaft, a wiring block, teeth and a wire clamping plate, wherein the rectangular groove plate is arranged on the wire skin extrados surface of the front ends of the first wire and the second wire respectively, the front end inside the rectangular groove plate is connected with the rotating shaft in a rotating mode through symmetrical bearings, the extrados surface of the rotating shaft is provided with the wire clamping plate, the wire clamping plate inside the same rectangular groove plate is symmetrical to each other, the extrados surface of the rear end of the wire clamping plate is provided with the teeth in a circumferential array mode, the rack plate is connected with the sliding groove of the bottom wall of the rectangular groove plate in a sliding mode, the left side and the right side of the rack plate are connected with the adjacent teeth in a meshing mode, the upper surface of the rack plate is provided with the transmission sliding block, the upper end of the transmission sliding block is connected with the cross sliding groove of the upper surface of the rectangular groove plate, the right side of the wire clamping plate at the right end of the same rectangular groove plate is provided with the wiring block, the input end of the first wire is electrically connected with the output end of the wiring block, the second wire, and the input end of the wiring block is electrically connected with the detection line in a clamping mode.

Furthermore, the wire clamping mechanism further comprises finger pressing plates which are respectively arranged at the upper ends of the transmission sliding blocks, so that the transmission sliding blocks can conveniently slide.

Further, the wire clamping mechanism further comprises a spring, wherein the spring is arranged between the rear side face of the rack plate and the rear wall of the rectangular groove plate, so that the front end of the wire clamping plate is automatically folded.

Furthermore, the resistance values of the resistors are sequentially increased from left to right, and the resistors with different sizes are connected in series to meet different detection requirements.

Further, still include the alarm, the alarm sets up in the leading flank of casing, and the input of alarm is connected to the output electricity of singlechip, reminds the staff.

Further, still include the callus on the sole, the callus on the sole sets up respectively in the four corners of casing lower surface, and increase frictional force guarantees that the casing can not slide.

Furthermore, the handle is arranged on the upper surface of the shell, and the shell is convenient to move.

Compared with the prior art, the beneficial effects of the utility model are that: this two sets of DC power supply system of transformer substation cluster electric detection means has following benefit:

1. the finger promotes finger clamp plate forward, it slides forward to drive the rack board through the transmission slider, the rack board drives two clamp plates in the same rectangle frid and rotates along pivot looks mutually, make the front end of clamp plate open, remove the clamp plate to needs measuring circuit next door, loosen finger clamp plate, the spring stimulates the rack board backward, the rack board drives two clamp plates in the same rectangle frid and rotates along the pivot in opposite directions, make the front end of clamp plate receive and close, press from both sides the circuit tightly, it is comparatively convenient to operate among the clamping process, be convenient for carry out the centre gripping to the circuit and loosen, and the work efficiency is increased.

2. Promote the slider, make the slider slide along the spout, contact block and different contact, different resistances are gone into in series, the electric current of circuit gets into the junction block through the clamp of a wire front end, the junction block passes through the electric wire with the electric current and carries for wire one, wire one transmits the electric current for the contact, in going into the voltmeter after the resistance, go into corresponding junction block through wire two in the back through clamp regression circuit, can adjust the inside resistance size of cluster income detection device, so that adapt to different detection demands, the suitability is stronger.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the storage battery of the present invention;

fig. 3 is a schematic structural diagram of the resistor of the present invention;

fig. 4 is an enlarged schematic structural view at a position a of the present invention;

fig. 5 is a schematic structural view of the wire clamping mechanism of the present invention.

In the figure: the device comprises a shell 1, a foot pad 2, a wire clamping mechanism 3, a finger pressing plate 31, a spring 32, a rectangular groove plate 33, a transmission sliding block 34, a rack plate 35, a rotating shaft 36, a junction block 37, teeth 38, a wire clamping plate 39, a single chip microcomputer 4, a storage battery 5, a voltmeter 6, a transfer block 7, a lead 8, a resistor 9, a contact 10, a contact block 11, a sliding block 12, a sliding groove 13, a lead I14, a lead II 15, a handle 16 and an alarm 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present embodiment provides a technical solution: the double-set direct-current power supply system series electricity detection device of the transformer substation comprises a shell 1 and a wire clamping mechanism 3;

a housing 1: the detection device is installed on a shell 1, a storage battery 5 is arranged at the right end of the bottom wall of the shell 1, a voltmeter 6 is arranged at the left end of the bottom wall of the shell 1, resistors 9 which are uniformly distributed are arranged on the front side of the left end of the bottom wall of the shell 1, output ends of the resistors 9 are electrically connected with input ends of a transfer block 7 through leads 8, the rear ends of the transfer block 7 are electrically connected with input ends of detection ends of the voltmeter 6 through lead posts, contacts 10 are arranged at the front ends of the resistors 9, a sliding groove 13 is arranged on the front side surface of the shell 1, a sliding block 12 is connected inside the sliding groove 13 in a sliding mode, a contact block 11 is arranged at the rear end of the sliding block 12, the contact block 11 is installed in a matched mode with the contacts 10, a first lead 14 is arranged at the front end of the contact block 11, the rear end of the first lead 14 is located in a circular hole in the middle of the sliding block 12, a second lead 15 is arranged at an output end of the detection end of the voltmeter 6, the resistance of the resistor 9 is sequentially increased from left to right, the sliding block 12 is used for pushing the sliding block 12, the sliding block, the contact block 11 is connected in series with different contacts 10, and the first lead 14 for transmitting current to the voltmeter 6 after passing through the resistor 9;

wire clamping mechanism 3: the wire clamping mechanism 3 comprises a rectangular groove plate 33, a transmission sliding block 34, a rack plate 35, a rotating shaft 36, a junction block 37, teeth 38 and a clamping plate 39, the rectangular groove plate 33 is respectively arranged on the outer arc surfaces of the wire skins at the front ends of the first lead 14 and the second lead 15, the front end inside the rectangular groove plate 33 is symmetrically and rotatably connected with the rotating shaft 36 through a bearing, the outer arc surfaces of the rotating shaft 36 are respectively provided with the clamping plate 39, the clamping plates 39 inside the same rectangular groove plate 33 are mutually symmetrical, the outer arc surfaces at the rear end of the clamping plate 39 are respectively provided with the teeth 38 in a circumferential array, the rack plate 35 is slidably connected in the sliding groove at the bottom wall of the rectangular groove plate 33, the left side and the right side of the rack plate 35 are respectively engaged and connected with the adjacent teeth 38, the upper surface of the rack plate 35 is respectively provided with the transmission sliding block 34, the upper end of the transmission sliding block 34 is in cross sliding connection with the sliding groove at the upper surface of the rectangular groove plate 33, the right side face of a clamping plate 39 at the right end inside the same rectangular slotted plate 33 is provided with a wiring block 37, the input end of a first lead 14 is electrically connected with the output end of an adjacent wiring block 37, the output end of a second lead 15 is electrically connected with the input end of the wiring block 37, the clamping mechanism 3 further comprises a finger pressing plate 31, the finger pressing plate 31 is respectively arranged at the upper end of a transmission slide block 34, the clamping mechanism 3 further comprises a spring 32, the finger pressing plate 31 is arranged between the rear side face of a rack plate 35 and the rear wall of the rectangular slotted plate 33, fingers push the finger pressing plate 31 forward, the rack plate 35 is driven by the transmission slide block 34 to slide forward, the rack plate 35 drives two clamping plates 39 in the same rectangular slotted plate 33 to rotate back to back along a rotating shaft 36, so that the front end of the clamping plate 39 is opened, the clamping plate 39 is moved to the side of a line to be measured, the finger pressing plate 31 is loosened, the spring 32 pulls the rack plate 35 backwards, and the rack plate 35 drives the two clamping plates 39 in the same rectangular slotted plate 33 to rotate towards each other along the rotating shaft 36, the front end of the clamp 39 is collapsed so that 39 clamps the wire.

Wherein: still include singlechip 4, singlechip 4 sets up in the right flank of casing 1, and the output of battery 5 is connected to singlechip 4's input electricity, and singlechip 4 is connected with voltmeter 6 two-way electricity, controls the work of each electrical apparatus, and singlechip 4 compares the numerical value of the data storage normal voltage that will accept.

Wherein: still include alarm 17, alarm 17 sets up in the leading flank of casing 1, and the input of alarm 17 is connected to the output electricity of singlechip 4, sends out the police dispatch newspaper and reminds the staff.

Wherein: still include callus on the sole 2, callus on the sole 2 sets up respectively in the four corners of 1 lower surfaces of casing, and increase frictional force prevents to slide.

Wherein: the detection device further comprises a handle 16, the handle 16 is arranged on the upper surface of the shell 1, and the detection device is taken away by the handle 16.

The utility model provides a two cover DC power supply system of transformer substation cluster electric detection means's theory of operation as follows: the sliding block 12 is pushed, the sliding block 12 slides along the sliding groove 13, the contact block 11 is in contact with different contacts 10 and is connected with different resistance values in series, fingers push the finger pressing plate 31 forwards, the rack plate 35 is driven to slide forwards through the transmission sliding block 34, the rack plate 35 drives the two clamping plates 39 in the same rectangular groove plate 33 to rotate back and forth along the rotating shaft 36, the front ends of the clamping plates 39 are opened, the clamping plates 39 are moved beside a line to be measured, the finger pressing plate 31 is released, the rack plate 35 is pulled backwards through the spring 32, the rack plate 35 drives the two clamping plates 39 in the same rectangular groove plate 33 to rotate oppositely along the rotating shaft 36, the front ends of the clamping plates 39 are closed, the line is clamped through the clamping plates 39 at the front end of the first lead 14, the current of the line enters the wiring block 37, the wiring block 37 transmits the current to the first lead 14 through the electric wire, the first lead 14 transmits current to the contact 10, the current passes through the resistor 9 and then enters the voltmeter 6, the current enters the corresponding junction block 37 through the second lead 15 and then returns to a circuit through the clamp plate 39 to form a loop, the voltmeter 6 transmits a detection result to the single chip microcomputer 4, the single chip microcomputer 4 compares received data with a value of normal voltage, when the value is abnormal, the single chip microcomputer 4 controls the alarm 17 to work and give an alarm, after the detection is completed, the finger points forward push the finger-pressing plate 31, the rack plate 35 is driven to slide forward through the transmission sliding block 34, the rack plate 35 drives the two clamp plates 39 in the same rectangular groove plate 33 to rotate back and forth along the rotating shaft 36, the front ends of the clamp plates 39 are opened, the circuit is loosened, and the first lead 14 and the second lead 15 are rolled up, and then the handle 16 is held by hand to take away the detection device.

It should be noted that the single chip microcomputer 4 disclosed in the above embodiments may be an M68300 series single chip microcomputer, the voltmeter 6 may be an HG1943 voltmeter, the alarm 17 may be an TGSG100 alarm, and the single chip microcomputer 4 and the alarm 17 are controlled by a common method in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. Two sets of direct current power supply system of transformer substation cluster electric detection means, its characterized in that: comprises a shell (1) and a wire clamping mechanism (3);

housing (1): the right end of the bottom wall of the shell is provided with a storage battery (5), the left end of the bottom wall of the shell (1) is provided with a voltmeter (6), the front side of the left end of the bottom wall of the shell (1) is provided with uniformly distributed resistors (9), the output ends of the resistors (9) are electrically connected with the input end of a transfer block (7) through leads (8), the rear end of the transfer block (7) is electrically connected with the input end of the detection end of the voltmeter (6) through lead posts, the front end of each resistor (9) is provided with a contact (10), the front side surface of the shell (1) is provided with a sliding chute (13), the inside of the sliding chute (13) is slidably connected with a sliding block (12), the rear end of the sliding block (12) is provided with a contact block (11), the contact block (11) is installed in a matched manner with the contact (10), the front end of the contact block (11) is provided with a first lead (14), the rear end of the first lead (14) is positioned in a round hole in the middle of the sliding block (12), and the output end of the detection end of the voltmeter (6) is provided with a second lead (15);

wire clamping mechanism (3): the front ends of the first lead (14) and the second lead (15) are respectively arranged;

wherein: the intelligent charging device is characterized by further comprising a single chip microcomputer (4), wherein the single chip microcomputer (4) is arranged on the right side face of the shell (1), the input end of the single chip microcomputer (4) is electrically connected with the output end of the storage battery (5), and the single chip microcomputer (4) is electrically connected with the voltmeter (6) in a bidirectional mode.

2. The substation double-set direct-current power supply system series electricity detection device according to claim 1, characterized in that: the wire clamping mechanism (3) comprises a rectangular groove plate (33), a transmission slide block (34), a rack plate (35), a rotating shaft (36), a junction block (37), teeth (38) and a wire clamping plate (39), rectangular slotted plate (33) sets up respectively in the line skin extrados of wire (14) and wire two (15) front end, the front end of rectangular slotted plate (33) inside all rotates through the bearing symmetry and is connected with pivot (36), pivot (36) extrados all is equipped with clamp (39), clamp (39) of same rectangular slotted plate (33) inside are symmetrical each other, the equal circumference array of extrados of clamp (39) rear end is equipped with tooth (38), equal sliding connection has rack plate (35) in the sliding tray of rectangular slotted plate (33) diapire, the left and right sides of rack plate (35) all is connected with adjacent tooth (38) meshing, the upper surface of rack plate (35) all is equipped with transmission slider (34), the upper end of transmission slider (34) and the cross spout sliding connection of rectangular slotted plate (33) upper surface, clamp (39) right flank of the inside right-hand member of same rectangular slotted plate (33) all is equipped with terminal block (37), the input electricity of wire one (14) connects adjacent terminal block (37), the output of two terminal (15) of wire (37) electricity is connected.

3. The substation double-set DC power supply system series electricity detection device according to claim 2, characterized in that: the wire clamping mechanism (3) further comprises finger pressing plates (31), and the finger pressing plates (31) are arranged at the upper ends of the transmission sliding blocks (34) respectively.

4. The substation double-set DC power supply system series electricity detection device according to claim 2, characterized in that: the wire clamping mechanism (3) further comprises a spring (32), and the spring (32) is arranged between the rear side face of the rack plate (35) and the rear wall of the rectangular groove plate (33).

5. The substation double-set direct-current power supply system series electricity detection device according to claim 1, characterized in that: the resistance value of the resistor (9) is increased from left to right in sequence.

6. The substation double-set DC power supply system series electricity detection device according to claim 1, characterized in that: still include alarm (17), alarm (17) set up in the leading flank of casing (1), and the input of alarm (17) is connected to the output electricity of singlechip (4).

7. The substation double-set DC power supply system series electricity detection device according to claim 1, characterized in that: still include callus on the sole (2), callus on the sole (2) set up respectively in the four corners of casing (1) lower surface.

8. The substation double-set DC power supply system series electricity detection device according to claim 1, characterized in that: the novel multifunctional electric heating cabinet is characterized by further comprising a handle (16), wherein the handle (16) is arranged on the upper surface of the shell (1).