CN218524757U

CN218524757U - A capability test device for drawing converter production

Info

Publication number: CN218524757U
Application number: CN202222330744.2U
Authority: CN
Inventors: 沈玉峥
Original assignee: Tianjin Shizida Industry & Trade Co ltd
Current assignee: Tianjin Shizida Industry & Trade Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-02-24
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to a converter test technical field just discloses a capability test device for drawing converter production, the power distribution box comprises a box body, one side fixedly connected with wire of box, one side fixedly connected with interface of wire, the top fixedly connected with signal lamp, the display screen of box opposite side, middle efficiency detector control button, kilowatt-hour detector control button and the voltage detector control button of box opposite side, the bottom fixed connection of box opposite side has voltage scale, switch and voltage regulation knob, the inside one side fixedly connected with detection device of box, the inside opposite side fixedly connected with voltage regulation apparatus of box, carry out fixed connection by the wire between voltage regulation apparatus and the detection device, the three circuit controller of outside fixedly connected with of wire, the utility model discloses a be equipped with voltage regulation apparatus, can adjust voltage to on the suitable voltage of detection piece.

Description

A capability test device for drawing converter production

Technical Field

The utility model relates to a converter test technical field, more specifically relate to a capability test device for drawing converter production.

Background

The frequency converter is used for oil and coal mining and power generation at the upstream, petrochemical and steel at the midstream and plastic and rubber at the downstream until water treatment and environmental protection at the later stage, and comprises an air conditioner and an elevator in domestic application, the frequency converter is beyond the reach, the storage battery type mining electric locomotive is suitable for transportation and traction of non-explosion-proof places on narrow-gauge railway ground in industries such as coal, metallurgy, mine, forest, railway, highway tunnel construction and the like, the storage battery type mining electric locomotive is supplied with direct current by a storage battery, the direct current is converted into three-phase alternating current with adjustable voltage and frequency through the frequency converter to drive two alternating current variable-frequency traction motors of the mining electric locomotive, each motor rotor is connected with a gear reduction box through a universal coupling and is transmitted to an axle after being decelerated by a secondary gear, so that the mining electric locomotive is driven to run, in the normal operation process of the mining electric locomotive, the traction frequency converter is required to be subjected to function and fault tests, and the traction frequency converter is installed on the mining electric locomotive, and then the traction frequency converter is subjected to functional tests including the tests of a main circuit of the traction frequency converter and a power supply circuit of the traction frequency converter.

Because the frequency converter is widely used, the frequency converter needs to be detected before leaving a factory, however, for the test of the traction frequency converter, a manual connection test mode is generally adopted, the speed of the mode is low, the working efficiency is poor, the test cost is increased, various frequency converters are different in used elements and different in voltage, and if the frequency converters are falsely detected, the frequency converters can be damaged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a capability test device for drawing converter production to solve the problem that exists among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a capability test device for drawing converter production, includes the box, one side fixedly connected with wire of box, one side fixedly connected with interface of wire, the top fixedly connected with signal lamp of box opposite side, the below fixedly connected with display screen at box opposite side top, the middle fixed connection effective rate detector control button, kilowatt-hour detector control button and the voltage detector control button of box opposite side, the top fixedly connected with voltage scale of box opposite side bottom, the bottom fixedly connected with switch and the voltage regulation knob of box opposite side, one side fixedly connected with detection device of box inside, the inside opposite side fixedly connected with voltage regulation apparatus of box, carry out fixed connection by the wire between voltage regulation apparatus and the detection device, the three circuit controller of outside fixedly connected with of wire.

Further, the box includes the box main part, the top fixedly connected with box lid of box main part, one side fixedly connected with wire of box main part, the opposite side of box main part is equipped with the voltage regulation device notch, the other both sides of box main part all are equipped with four vents.

Further, the detection device comprises a voltage detector, an electrical degree detector and an efficiency detector.

Further, voltage regulation apparatus includes the backup pad, be equipped with three hole in the backup pad, equal fixedly connected with resistor in the three hole, one side swing joint of resistor has the resistor to connect, the bottom fixedly connected with axis of rotation that the resistor connects.

Further, the efficiency detector control button, the electric degree detector control button and the voltage detector control button respectively control circuit controllers connected to the wires of the efficiency detector, the electric degree detector and the voltage detector.

Further, the three resistors have different resistance sizes.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with the vent, be favorable to the heat dissipation of device, can distribute away the produced heat of device.

2. The utility model discloses a be equipped with the display screen, be favorable to detecting the converter directly perceivedly, the result of detection can show on the display screen, if detect out the problem simultaneously, the signal lamp still can twinkle, reminds the person of examining this converter problem.

3. The utility model discloses a be equipped with voltage regulation apparatus, be favorable to protecting the component, when examining the component of difference, can adjust voltage regulation apparatus according to the voltage that the component can bear for voltage can not damage the component because too big.

Drawings

Fig. 1 is the overall structure schematic diagram of the testing device of the present invention.

Fig. 2 is the overall structure diagram of the box body of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the box body of the present invention.

Fig. 4 is a schematic view of the overall structure of the detecting device of the present invention.

Fig. 5 is a schematic diagram of the overall structure of the voltage regulating device of the present invention.

The reference signs are: 1. a box body; 101. a box body main body; 102. a vent; 103. a voltage regulating device notch; 104. a case cover; 2. a signal lamp; 3. a display screen; 4. an efficiency detector control button; 5. a wattage detector control button; 6. voltage scales; 7. a voltage adjustment knob; 8. a switch; 9. a voltage detector control button; 10. a wire; 11. an interface; 12. a detection device; 121. a voltage detector; 122. an electrical degree detector; 123. an efficiency detector; 13. a circuit controller; 14. a voltage regulating device; 141. a support plate; 142. a resistor; 143. a resistor connection; 144. and rotating the shaft.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the drawings of the present invention, and the forms of the structures described in the following embodiments are merely examples, and the traction converter performance testing apparatus of the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without creative efforts belong to the scope of the present invention.

Referring to fig. 1-5, the utility model provides a capability test device for drawing converter production, the power distribution box comprises a box body 1, one side fixedly connected with wire 10 of box 1, one side fixedly connected with interface 11 of wire 10, the top fixedly connected with signal lamp 2 of box 1 opposite side, the below fixedly connected with display screen 3 at box 1 opposite side top, the middle fixed connection efficient detector control button 4 of box 1 opposite side, electric degree detector control button 5 and voltage detector control button 9, the top fixedly connected with voltage scale 6 of box 1 opposite side bottom, the bottom fixedly connected with switch 8 and the voltage regulation knob 7 of box 1 opposite side, one side fixedly connected with detection device 12 of box 1 inside, the opposite side fixedly connected with voltage regulation device 14 of box 1 inside, carry out fixed connection by wire 10 between voltage regulation device 14 and the detection device 12, the three circuit controller 13 of outside fixedly connected with of wire 10, when examining, the result of detection can show on display screen 3, if detect out the problem simultaneously, signal lamp 2 scintillation, remind the detector that this converter has the problem, switch 8 is controllable device opens and closes.

In a preferred embodiment, the box 1 comprises a box body 101, a box cover 104 is fixedly connected to the top of the box body 101, a lead 10 is fixedly connected to one side of the box body 101, a voltage regulator notch 103 is formed in the other side of the box body 101, four ventilation openings 102 are formed in the other two sides of the box body 101, the ventilation openings 102 can radiate heat generated by the device, and the voltage regulator notch 103 is movably connected with a rotating shaft 144 in the voltage regulator 14.

In a preferred embodiment, the detecting device 12 includes a voltage detector 121, a power detector 122 and an efficiency detector 123, wherein the voltage detector 121 can detect the voltage of the frequency converter to prevent the frequency converter from being unable to work due to unstable voltage, the power detector 122 can detect the power used within a certain time, and determine whether there is a problem in the power detector 122 according to the power used, and the efficiency detector 123 can detect the power output by the power detector to detect whether the power reaches the standard.

In a preferred embodiment, the voltage adjustment device 14 includes a support plate 141, three holes are formed in the support plate 141, resistors 142 are fixedly connected in all three holes, a resistor connector 143 is movably connected to one side of one resistor 142, a rotation shaft 144 is fixedly connected to the bottom of the resistor connector 143, the rotation shaft 144 is fixedly connected to a voltage adjustment knob 7 on one side of the rotation shaft through a voltage adjustment device notch 103, a voltage scale 6 is arranged above the voltage adjustment knob 7, the voltage adjustment knob 7 is twisted to point to a corresponding scale, the resistor connector 143 is driven by the rotation shaft 144 to rotate to the resistor 142 with a corresponding voltage while the resistor connector 143 is twisted, and the resistor connector 143 is made of a metal material.

In a preferred embodiment, the efficiency detector control button 4, the electrical level detector control button 5 and the voltage detector control button 9 control the circuit controller 13 connected to the conductors 10 of the efficiency detector 123, the electrical level detector 122 and the voltage detector 121, respectively, the circuit controller 13 being capable of controlling the closing of the circuit, when the button is pressed, the corresponding circuit will be closed under the control of the circuit controller 13, and when the button is pressed again to eject the circuit, the circuit will be opened.

In a preferred embodiment, the three resistors 142 have different resistance values, so that the voltage in the series circuit is different according to the resistance values of the resistors 142, and the voltage in the circuit is adjusted by adjusting the resistors 142 connected to the resistor connectors 143.

The utility model discloses a theory of operation:

when the device is used, firstly, the voltage which can be borne by the frequency converter element to be detected is known, then, according to the voltage indicated by the voltage scale 6, the voltage adjusting knob 7 is twisted to point to the corresponding scale, the resistor joint 143 is driven by the rotating shaft 144 to rotate to the resistor 142 with the corresponding voltage while the voltage adjusting knob is twisted, the resistors 142 with different resistance sizes are connected with the resistor joint 143, the voltage in the circuit is adjusted, after the voltage adjustment is finished, the interface 11 on one side of the box body 1 is installed on the frequency converter to be detected, the switch 8 is turned on, the voltage detector control button 9 is pressed, make circuit controller 13 can close corresponding wire 10, make the circuit switch-on of voltage detector 121, thereby can normally work, if detect no problem, display screen 3 can show the detection data, and show no problem, if detect problematic, display screen 3 can show detection data and problematic, signal lamp 2 can twinkle simultaneously, indicate the person who detects, press the button once more after detecting the completion, the open circuit, with the above step, through electric degree detector control button 5 and efficiency detector control button 4 control circuit controller 13 connecting circuit, make electric degree detector 122 and efficiency detector 123 can normally work, break off detection device 12 circuit after detecting the completion, close switch 8, the connection of disconnection interface 11 and converter, later handle the converter according to the testing result.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a capability test device for drawing converter production, includes box (1), its characterized in that: the utility model discloses a high-voltage power supply box, including box (1), one side fixedly connected with wire (10) of box (1), one side fixedly connected with interface (11) of wire (10), top fixedly connected with signal lamp (2) of box (1) opposite side, below fixedly connected with display screen (3) at box (1) opposite side top, the middle fixed connection effective rate detector control button (4), kilowatt-hour detector control button (5) and voltage detector control button (9) of box (1) opposite side, the top fixedly connected with voltage scale (6) of box (1) opposite side bottom, bottom fixedly connected with switch (8) and voltage regulation knob (7) of box (1) opposite side, box (1) inside one side fixedly connected with detection device (12), the inside opposite side fixedly connected with voltage regulation device (14) of box (1), carry out fixed connection by wire (10) between voltage regulation device (14) and detection device (12), the three circuit controller (13) of outside fixedly connected with of wire (10).

2. The performance testing device for the production of the traction frequency converter according to claim 1, is characterized in that: the box body (1) comprises a box body (101), a box cover (104) is fixedly connected to the top of the box body (101), a wire (10) is fixedly connected to one side of the box body (101), a voltage adjusting device notch (103) is arranged on the other side of the box body (101), and four ventilation openings (102) are formed in the other two sides of the box body (101).

3. The performance testing device for the production of the traction frequency converter according to claim 1, is characterized in that: the detection device (12) includes a voltage detector (121), a power detector (122), and an efficiency detector (123).

4. The performance testing device for the production of the traction frequency converter according to claim 1, is characterized in that: the voltage adjusting device (14) comprises a supporting plate (141), three holes are formed in the supporting plate (141), resistors (142) are fixedly connected in the three holes, one side of each resistor (142) is movably connected with a resistor joint (143), and the bottom of each resistor joint (143) is fixedly connected with a rotating shaft (144).

5. The performance testing device for the production of the traction frequency converter according to claim 1, characterized in that: and the efficiency detector control button (4), the electric degree detector control button (5) and the voltage detector control button (9) are respectively connected with the circuit controller (13) on the leads (10) of the efficiency detector (123), the electric degree detector (122) and the voltage detector (121) in a control mode.

6. The performance testing device for the production of the traction frequency converter is characterized by comprising the following components in parts by weight according to claim 4: the three resistors (142) have different resistance values.