CN216927037U

CN216927037U - System level difference matching test device for power utilization system of alternating current station

Info

Publication number: CN216927037U
Application number: CN202220171646.6U
Authority: CN
Inventors: 陈昊萌; 杨帆
Original assignee: Wuhan United Power Design&engineering Co ltd
Current assignee: Wuhan United Power Design&engineering Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-08
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a system level difference coordination test device for an alternating current station, which belongs to the technical field of system level difference coordination test of power consumption systems, and comprises an upper management machine, wherein a box body is fixedly arranged at the top of the upper management machine, and a resistance module can be cooled through the arrangement of a cooling mechanism, because the resistance module can generate certain heat in the electrifying process, and if the heat is accumulated more, the resistance of the resistance module can be changed, the device is matched with the cooling mechanism to cool the resistance module so as to ensure the detection accuracy, and the specific cooling process is as follows: inside the cooling liquid enters into the heat transfer board through the connecting pipe in the refrigeration box to semiconductor cooler can continuously cool down the cooling liquid, comes the cooling to the heat transfer board through the low temperature of cooling liquid, and the heat transfer board is conducted the low temperature and is cooled down to it for resistance module, through the setting of cooling tube and heat dissipation fan, can dispel the heat to semiconductor cooler's heat dissipation end.

Description

System-level difference matching test device for power consumption of alternating current station

Technical Field

The utility model relates to the technical field of power utilization system level difference coordination test, in particular to a power utilization system level difference coordination test device for an alternating current station.

Background

When the power supply system of the alternating current station is placed under the electric appliances of all levels, a multi-level power distribution mode is adopted, and corresponding circuit breakers are arranged at all levels to protect the circuits of the electric appliances.

However, in the process of operation of the power system, if a lower-level electrical appliance is short-circuited or failed, an override trip phenomenon of other-level circuit breakers is caused, and then a power failure phenomenon is caused in the level, so that the electrical appliance in the level cannot be used, and further some series of accidents are caused, and therefore extremely poor matching tests need to be performed on the circuit breakers in each level.

Based on this, the utility model designs a system level difference coordination test device for an alternating current station, so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a system level difference matching test device for an alternating current station, which is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a system level difference fit testing device for power utilization systems of an alternating current station comprises an upper management machine, wherein a box body is fixedly installed at the top of the upper management machine, and a testing mechanism is arranged inside the box body;

a cooling mechanism is arranged at the top of the inner cavity of the box body;

the right side fixed mounting of box inner chamber bottom has the battery, the negative pole of battery passes through the wire and the negative pole interface fixed mounting of upper management machine, the positive pole interface fixed mounting of upper management machine has the wire, and the wire runs through the left side of upper management machine.

Preferably, the testing mechanism comprises a base, the base is fixedly arranged at the bottom of the inner cavity of the box body, a metal plate is fixedly arranged inside the base, a hollow column is fixedly arranged at the top of the base, a servo motor is fixedly arranged inside the hollow column, an output shaft of the servo motor is fixedly provided with an electric push rod, a ceramic mounting plate is fixedly mounted at the left end of the electric push rod, a metal connecting piece is fixedly mounted inside the ceramic mounting plate, a lead is fixedly mounted at the left end of the metal connecting piece, the lead penetrates the outer part of the box body, the resistance modules are fixedly arranged on the periphery of the top of the base, the bottom of the resistance module is fixedly arranged with the metal plate through a lead, one side of the resistance module is fixedly provided with a contact block, the contact block and the metal connecting sheet are arranged in a matched mode, and the top of the metal connecting sheet is fixedly installed with the positive electrode of the storage battery through a lead.

Preferably, the resistance module is provided with a plurality ofly, and a plurality ofly the resistance module is for the equidistance distributes around hollow post, and is a plurality of the resistance value of resistance module is for setting up from little to big.

Preferably, the cooling mechanism includes the refrigeration box, the inside packing of refrigeration box has the coolant liquid, the bottom intercommunication of refrigeration box has the connecting pipe, and the bottom intercommunication of connecting pipe has the heat transfer board, heat transfer board fixed mounting is on the surface of resistance module, the inside fixed mounting of refrigeration box has the semiconductor cooler.

Preferably, the heat exchange plate is designed to be metal, and the heat exchange plate is designed to be attached to the surface of the resistor module.

Preferably, the right side fixed mounting of refrigeration box has the cooling tube, the inside fixed mounting of cooling tube has the heat dissipation fan, the right-hand member of cooling tube runs through the box outside, the right-hand member fixed mounting of cooling tube has the fender net, semiconductor cooler's heat extraction end runs through inside the cooling tube.

Compared with the prior art, the utility model has the beneficial effects that: connecting a lead connected with a metal connecting sheet and a lead connected with an anode interface of an upper management machine with a breaker of an alternating current station, starting testing, wherein in the testing process, a servo motor drives the metal connecting sheet to rotate to a resistance module with the maximum resistance value, then an electric push rod pushes the metal connecting sheet to be connected with a contact block, the whole circuit is in a channel state, then the upper management machine transmits data to a computer terminal (which can be connected with the computer terminal through a USB data line), then the servo motor drives the metal connecting sheet to rotate to the resistance module with the slightly lower resistance value, and the electric push rod pushes the metal connecting sheet to be connected with the contact block to connect the circuit, then the upper management machine transmits the data to the computer terminal, repeating the above operations until the breaker is fused, so that the applicable range value of the breaker of the level can be measured, and then the adaptation range of the breakers of each level in the alternating current station can be sequentially tested to obtain the data, thereby obtaining selectivity of extremely poor fitting in the ac station circuitry from the data.

Can cool down the resistance module through the setting of cooling body, because the resistance module can produce certain heat at the in-process of circular telegram to this heat is if piling up the resistance that more can change the resistance module, therefore the device is supporting to be provided with cooling body and to cool down the resistance module, in order to ensure the accuracy nature that detects, specific cooling process is as follows: inside the cooling liquid enters into the heat transfer board through the connecting pipe in the refrigeration box to semiconductor cooler can continuously cool down the cooling liquid, comes the cooling to the heat transfer board through the low temperature of cooling liquid, and the heat transfer board is conducted the low temperature and is cooled down to it for resistance module, through the setting of cooling tube and heat dissipation fan, can dispel the heat to semiconductor cooler's heat dissipation end, with the cooling efficiency who promotes semiconductor cooler.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a perspective view of the base and hollow post of the present invention;

FIG. 3 is a perspective view of a resistor module and heat exchange plate of the present invention;

FIG. 4 is a top view of the base of the present invention;

FIG. 5 is a front sectional view of the case of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an upper management machine; 2. a box body; 3. a testing mechanism; 31. a base; 32. a metal plate; 33. a hollow column; 34. a servo motor; 35. an electric push rod; 36. a ceramic mounting plate; 37. a metal tab; 38. a resistance module; 39. a contact block; 4. a cooling mechanism; 41. a refrigeration cassette; 42. a heat exchange plate; 43. a semiconductor refrigerator; 5. a storage battery; 6. a radiating pipe; 7. a heat dissipation fan.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Example one

Referring to the drawings, the present invention provides a technical solution: a system level difference fit testing device for power utilization systems of alternating current stations comprises an upper management machine 1, wherein a box body 2 is fixedly installed at the top of the upper management machine 1, and a testing mechanism 3 is arranged inside the box body 2;

a cooling mechanism 4 is arranged at the top of the inner cavity of the box body 2;

the right side fixed mounting of 2 inner chambers bottoms of box has battery 5, and battery 5's negative pole passes through wire and upper management machine 1's negative pole interface fixed mounting, and upper management machine 1's positive pole interface fixed mounting has the wire, and the wire runs through upper management machine 1's left side.

Specifically, the testing mechanism 3 includes a base 31, the base 31 is fixedly installed at the bottom of the inner cavity of the box body 2, a metal plate 32 is fixedly installed inside the base 31, a hollow column 33 is fixedly installed at the top of the base 31, a servo motor 34 is fixedly installed inside the hollow column 33, an output shaft of the servo motor 34 is fixedly installed with an electric push rod 35, a ceramic installation plate 36 is fixedly installed at the left end of the electric push rod 35, a metal connecting piece 37 is fixedly installed inside the ceramic installation plate 36, a lead is fixedly installed at the left end of the metal connecting piece 37 and penetrates through the outside of the box body 2, resistance modules 38 are fixedly installed around the top of the base 31, the bottom of each resistance module 38 is fixedly installed with the metal plate 32 through a lead, a contact block 39 is fixedly installed at one side of each resistance module 38, the contact block 39 and the metal connecting piece 37 are arranged in a matched manner, and the top of each metal connecting piece 37 is fixedly installed with the anode of the storage battery 5 through a lead, connecting a lead connected with a metal connecting sheet 37 and a lead connected with a positive interface of an upper management machine 1 with an AC station circuit breaker, then starting a test, wherein in the test, a servo motor 34 drives the metal connecting sheet 37 to rotate to a resistance module 38 with the maximum resistance value, then an electric push rod 35 pushes the metal connecting sheet 37 to be connected with a contact block 39, at the moment, the whole circuit is in a state of a channel, then the upper management machine 1 transmits data to a computer terminal connected with the computer terminal through a USB data line, then the servo motor 34 drives the metal connecting sheet 37 to rotate to the resistance module 38 with the slightly lower resistance value, and the electric push rod 35 pushes the metal connecting sheet 37 to be connected with the contact block 39 to switch on the circuit, then the upper management machine 1 transmits the data to the computer terminal, repeating the above operations until the circuit breaker is fused, namely, the applicable range value of the circuit breaker of the level can be measured, and then, sequentially testing the adaptation range of the circuit breakers of each level in the alternating-current station to obtain data, so as to obtain the selectivity of extremely poor coordination in a circuit system of the alternating-current station according to the data.

Specifically, the plurality of resistor modules 38 are arranged, the plurality of resistor modules 38 are distributed around the hollow column 33 at equal intervals, and the resistance values of the plurality of resistor modules 38 are set from small to large.

Specifically, the heat exchange plate 42 is designed to be metal, the heat exchange plate 42 is designed to be attached to the surface of the resistor module 38, and the heat exchange plate 42 is designed to be metal, so that the heat exchange efficiency can be improved, and the purpose of rapidly cooling the resistor module 38 is achieved.

Example two

The structure of this embodiment is basically the same as embodiment one, the difference lies in, cooling mechanism 4 includes refrigeration box 41, the inside of refrigeration box 41 is filled with the coolant liquid, the bottom intercommunication of refrigeration box 41 has the connecting pipe, and the bottom intercommunication of connecting pipe has heat transfer plate 42, heat transfer plate 42 fixed mounting is on the surface of resistance module 38, the inside fixed mounting of refrigeration box 41 has semiconductor cooler 43, can cool down resistance module 38 through the setting of cooling mechanism 4, because resistance module 38 is at the in-process of circular telegram, can produce certain heat, and this heat can change the resistance of resistance module 38 if piling up more, therefore the device is supporting to be provided with cooling mechanism 4 and to cool down resistance module 38, in order to ensure the accuracy nature that detects, concrete cooling process is as follows: inside the cooling liquid entered into heat transfer board 42 through the connecting pipe among refrigeration box 41 to semiconductor cooler 43 can continue to cool down the cooling liquid, comes the cooling to heat transfer board 42 through the low temperature of cooling liquid, and heat transfer board 42 conducts the low temperature for resistance module 38 and cools down it.

EXAMPLE III

The structure of this embodiment is basically the same as embodiment one, the difference lies in, the right side fixed mounting of refrigeration box 41 has cooling tube 6, the inside fixed mounting of cooling tube 6 has heat dissipation fan 7, the right-hand member of cooling tube 6 runs through the box 2 outside, the right-hand member fixed mounting of cooling tube 6 has the fender net, semiconductor refrigerator 43's heat extraction end runs through inside cooling tube 6, through cooling tube 6 and heat dissipation fan 7's setting, can dispel the heat to semiconductor refrigerator 43's heat dissipation end, in order to promote semiconductor refrigerator 43's cooling efficiency.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an exchange station with electric system level difference cooperation testing arrangement, includes host computer (1), its characterized in that: a box body (2) is fixedly installed at the top of the upper management machine (1), and a testing mechanism (3) is arranged inside the box body (2);

a cooling mechanism (4) is arranged at the top of the inner cavity of the box body (2);

the right side fixed mounting of box (2) inner chamber bottom has battery (5), the negative pole of battery (5) passes through the negative pole interface fixed mounting of wire and upper management machine (1), the positive pole interface fixed mounting of upper management machine (1) has the wire, and the wire runs through the left side of upper management machine (1).

2. The system-level-difference fit testing device for the alternating-current station as claimed in claim 1, wherein: the testing mechanism (3) comprises a base (31), the base (31) is fixedly installed at the bottom of an inner cavity of a box body (2), a metal plate (32) is fixedly installed inside the base (31), a hollow column (33) is fixedly installed at the top of the base (31), a servo motor (34) is fixedly installed inside the hollow column (33), an electric push rod (35) is fixedly installed at an output shaft of the servo motor (34), a ceramic mounting plate (36) is fixedly installed at the left end of the electric push rod (35), a metal connecting piece (37) is fixedly installed inside the ceramic mounting plate (36), a wire is fixedly installed at the left end of the metal connecting piece (37) and penetrates through the box body (2) to the outside, resistance modules (38) are fixedly installed on the periphery of the top of the base (31), and the bottom of the resistance modules (38) is fixedly installed with the metal plate (32) through the wire, one side fixed mounting of resistance module (38) has contact piece (39), contact piece (39) and metal splicing (37) are looks adaptation setting, the top of metal splicing (37) is through the anodal fixed mounting of wire and battery (5).

3. The system-level-difference fit testing device for the alternating-current station as claimed in claim 2, wherein: the resistance module (38) is provided with a plurality of, and a plurality of resistance module (38) are the equidistance and distribute around hollow post (33), a plurality of the resistance value of resistance module (38) is for setting up from little to big.

4. The system-level-difference fit testing device for the alternating-current station as claimed in claim 2, wherein: cooling body (4) are including refrigeration box (41), the inside packing of refrigeration box (41) has the coolant liquid, the bottom intercommunication of refrigeration box (41) has the connecting pipe, and the bottom intercommunication of connecting pipe has heat transfer board (42), heat transfer board (42) fixed mounting is on the surface of resistance module (38), the inside fixed mounting of refrigeration box (41) has semiconductor cooler (43).

5. The system-level-difference fit testing device for the alternating-current station as claimed in claim 4, wherein: the heat exchange plate (42) is designed to be metal, and the heat exchange plate (42) is designed to be attached to the surface of the resistor module (38).

6. The system level difference fit testing device for the power consumption system of the alternating current station as claimed in claim 4, wherein: the right side fixed mounting of refrigeration box (41) has cooling tube (6), the inside fixed mounting of cooling tube (6) has heat dissipation fan (7), the right-hand member of cooling tube (6) runs through box (2) outside, the right-hand member fixed mounting of cooling tube (6) has the fender net, the heat extraction end of semiconductor refrigerator (43) runs through inside cooling tube (6).