CN213752547U - 600A direct current contactor for frequency converter - Google Patents
600A direct current contactor for frequency converter Download PDFInfo
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- CN213752547U CN213752547U CN202120065276.3U CN202120065276U CN213752547U CN 213752547 U CN213752547 U CN 213752547U CN 202120065276 U CN202120065276 U CN 202120065276U CN 213752547 U CN213752547 U CN 213752547U
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- outer cover
- assembly
- contact piece
- contactor
- piece assembly
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000003068 static effect Effects 0.000 claims abstract description 19
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
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Abstract
The utility model provides a 600A direct current contactor for a frequency converter, which comprises a coil assembly; an iron core is inserted into the coil assembly, the top of the iron core penetrates through and is fixed with a core rod, and the upper part of the core rod is provided with a movable contact piece assembly; the coil assembly is fixed in the outer cover, a static contact piece assembly matched with the movable contact piece assembly is arranged on the outer cover, and a wiring end is led out of the static contact piece assembly outside the outer cover; the outer cover is provided with a cap cover, the outer cover and the cap cover can move relatively, and an inner cavity formed by the outer cover and the cap cover is sealed and insulated. The utility model completely seals the electromagnetic system and the contact system in the insulating outer cover, can effectively improve the requirements of insulating property and dustproof property, can normally work in the environment with higher temperature and more dust, and can be widely applied to frequency converters; the magnetic blow-out arc-extinguishing position is reserved on the side of the contact, so that the load capacity can be effectively improved.
Description
Technical Field
The utility model relates to a 600A direct current contactor for converter.
Background
The frequency converter is a power control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the working frequency mode of the motor. The contactor is a common electrical element in frequency converter control, and is mainly used for switching a buffer resistor and connecting and breaking a circuit. Whether the contactor is correctly selected or not directly influences the work and quality of the frequency converter and the running condition of electrical equipment, and then influences the normal production, safety and stability of the whole device. Most of the existing frequency converters are controlled by adopting an alternating current contactor, so that the requirement of the frequency converters on the environment is high, and the frequency converters are easy to damage due to the fact that the three-phase input end of commercial power is connected inversely.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a 600A direct current contactor is used to converter, this 600A direct current contactor is used to converter seals electromagnetic system and contact system totally in insulating dustcoat, can effectively improve insulating properties and dustproof performance requirement, also can normally work under the environment that the temperature is higher, the dust is more.
The utility model discloses a following technical scheme can realize.
The utility model provides a 600A direct current contactor for a frequency converter, which comprises a coil assembly; an iron core is inserted into the coil assembly, the top of the iron core penetrates through and is fixed with a core rod, and the upper part of the core rod is provided with a movable contact piece assembly; the coil assembly is fixed in the outer cover, a static contact piece assembly matched with the movable contact piece assembly is arranged on the outer cover, and a wiring end is led out of the static contact piece assembly outside the outer cover; the outer cover is provided with a cap cover, the outer cover and the cap cover can move relatively, and an inner cavity formed by the outer cover and the cap cover is sealed and insulated.
The static contact piece assembly is divided into two sections, a wiring end is led out from each section, and the movable contact piece assembly is in contact with the static contact piece assembly to enable the two sections of the static contact piece assembly to be communicated.
The top end of the iron core is fixed on the cap cover through a cotter pin, and a contact spring is arranged between the inner wall of the cap cover and the movable contact sheet assembly.
The top end and the bottom end of the contact spring are respectively provided with an adjusting washer and a bowl-shaped washer.
The iron core is divided into an upper section and a lower section, and the core rod is fixed on the upper section.
And the core rod is provided with a return spring, and the upper end and the lower end of the return spring are respectively fixed on the upper section and the lower section of the iron core.
And a bottom plate is fixed at the top of the coil assembly.
The coil assembly is wrapped with an iron yoke assembly.
And reserving a cavity space for magnetic quenching at the position of the cap cover on the side of the movable contact piece assembly.
The beneficial effects of the utility model reside in that: the electromagnetic system and the contact system are completely sealed in the insulating outer cover, so that the requirements on insulating property and dustproof property can be effectively improved, the electromagnetic system and the contact system can normally work in the environment with higher temperature and more dust, and the electromagnetic system and the contact system can be widely applied to frequency converters; the magnetic blow-out arc-extinguishing position is reserved on the side of the contact, so that the load capacity can be effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-yoke assembly, 2-coil assembly, 3-return spring, 4-iron core, 5-bottom plate, 6-adjusting washer, 7-split pin, 8-contact spring, 9-bowl washer, 10-cap, 11-seat plate assembly, 12-movable contact plate assembly, 13-brim piece, 14-mandril and 15-outer cover.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A 600A dc contactor for a frequency converter shown in fig. 1 includes a coil block 2; an iron core 4 is inserted into the coil assembly 2, the top of the iron core 4 is fixedly penetrated with a core rod 14, and the upper part of the core rod 14 is provided with a movable contact piece assembly 12; the coil assembly 2 is fixed in an outer cover 15, a static contact sheet assembly matched with the movable contact sheet assembly 12 is arranged on the outer cover 15, and a terminal is led out of the outer cover 15 by the static contact sheet assembly; the cap cover 10 is arranged on the outer cover 15, the outer cover 15 and the cap cover 10 can move relatively, and an inner cavity formed by the outer cover 15 and the cap cover 10 is sealed and insulated.
The static contact piece assembly is divided into two sections, a wiring terminal is led out from each section, and the movable contact piece assembly 12 is contacted with the static contact piece assembly to enable the two sections of the static contact piece assembly to be communicated.
The top end of the plunger 4 is fixed to a cap 10 through a cotter pin 7, and a contact spring 8 is arranged between the inner wall of the cap 10 and a movable contact piece assembly 12.
The top end and the bottom end of the contact spring 8 are respectively provided with an adjusting washer 6 and a bowl-shaped washer 9.
The iron core 4 is divided into an upper section and a lower section, and the core rod 14 is fixed on the upper section.
The core rod 14 is provided with a return spring 3, and the upper end and the lower end of the return spring 3 are respectively fixed on the upper section and the lower section of the iron core 4.
A bottom plate 5 is fixed on the top of the coil assembly 2.
The coil assembly 2 is externally wrapped with an iron yoke assembly 1.
And reserving a cavity space for magnetic quenching at the position of the cap 10, which is positioned at the side of the movable contact piece assembly 12.
Example 1
With the above arrangement, as shown in fig. 1, the stationary contact piece assembly is fixed to the seat plate assembly 11, the brim piece 13 is provided between the core 4 and the cap 10, and the top end of the stem 14 is fixed to the cap 10 through the cotter pin 7.
Therefore, the connecting sheet on the direct current contactor seat plate assembly is a coil wiring input end, the contactor is connected with a power supply, a product reaches an action voltage, the movable contact sheet assembly 12 and the static contact sheet assembly on the seat plate assembly 11 of the product are in a closed state, and the contact system of the product is closed, namely a load is in a closed state; when the product is powered off or reaches a product release voltage, the movable contact piece assemblies 12 and the static contact piece assemblies on the seat plate assembly 11 of the product are in an off state, and the contact system is disconnected, namely, the product is in an off state.
The utility model can be directly installed on the casing, the insulating property is ensured, the stability is enhanced, and the safety of the frequency converter is improved; the electromagnetic system and the contact system are sealed in the outer cover, so that the defect of the dustproof performance requirement of the frequency converter can be effectively overcome, the reliability of a product is enhanced, and the requirement of the frequency converter can be completely met in the application process.
The coil wiring input end can act by connecting rated voltage or product action voltage, and the action time is less than or equal to 10 ms; the appearance volume is far smaller than that of the same type of products (130mm multiplied by 82.7mm multiplied by 108mm), and the volume is small enough; in practical tests, the rated load is 600A multiplied by 24DC, the number of times of the electrical service life is more than or equal to 50,000, and the maximum number can reach 600A multiplied by 60V DC, so that the excellent parameters of appearance volume, process quality, overall appearance, insulating dielectric strength, vibration resistance, impact resistance and low power consumption are successfully realized, and the stability is enhanced.
Claims (9)
1. The utility model provides a 600A direct current contactor for converter, includes coil pack (2), its characterized in that: an iron core (4) is inserted into the coil assembly (2), the top of the iron core (4) penetrates through and is fixed with a core rod (14), and the upper part of the core rod (14) is provided with a movable contact piece assembly (12); the coil assembly (2) is fixed in an outer cover (15), a static contact piece assembly matched with the movable contact piece assembly (12) is arranged on the outer cover (15), and a terminal is led out of the outer cover (15) by the static contact piece assembly; the cap cover (10) is arranged on the outer cover (15), the outer cover (15) and the cap cover (10) can move relatively, and an inner cavity formed by the outer cover (15) and the cap cover (10) is sealed and insulated.
2. The 600A dc contactor for inverter according to claim 1, wherein: the static contact piece assembly is divided into two sections, a wiring end is led out from each section, and the movable contact piece assembly (12) is in contact with the static contact piece assembly to enable the two sections of the static contact piece assembly to be communicated.
3. The 600A dc contactor for inverter according to claim 1, wherein: the top end of the iron core (4) is fixed on a cap cover (10) through a split pin (7), and a contact spring (8) is arranged between the inner wall of the cap cover (10) and a movable contact sheet assembly (12).
4. The 600A dc contactor for inverter according to claim 3, wherein: the top end and the bottom end of the contact spring (8) are respectively provided with an adjusting washer (6) and a bowl-shaped washer (9).
5. The 600A dc contactor for inverter according to claim 1, wherein: the iron core (4) is divided into an upper section and a lower section, and the core rod (14) is fixed on the upper section.
6. The 600A dc contactor for inverter according to claim 5, wherein: the core rod (14) is provided with a return spring (3), and the upper end and the lower end of the return spring (3) are respectively fixed on the upper section and the lower section of the iron core (4).
7. The 600A dc contactor for inverter according to claim 1, wherein: and a bottom plate (5) is fixed at the top of the coil component (2).
8. The 600A dc contactor for inverter according to claim 1, wherein: and the coil assembly (2) is wrapped with an iron yoke assembly (1).
9. The 600A dc contactor for inverter according to claim 1, wherein: and a cavity space for magnetic quenching is reserved at the position of the cap cover (10) on the side of the movable contact sheet assembly (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120065276.3U CN213752547U (en) | 2021-01-11 | 2021-01-11 | 600A direct current contactor for frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120065276.3U CN213752547U (en) | 2021-01-11 | 2021-01-11 | 600A direct current contactor for frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213752547U true CN213752547U (en) | 2021-07-20 |
Family
ID=76837996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120065276.3U Active CN213752547U (en) | 2021-01-11 | 2021-01-11 | 600A direct current contactor for frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213752547U (en) |
-
2021
- 2021-01-11 CN CN202120065276.3U patent/CN213752547U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 563000 Huichuan Avenue Extension Line, Huichuan District, Zunyi City, Guizhou Province, Zunyi V Valley Standardization Plant Phase I, Plant 5 Patentee after: GUIZHOU TIANYI TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 563002 Sui Yang Road, Huichuan District, Zunyi, Guizhou Province, No. 33 Patentee before: GUIZHOU TIANYI TECHNOLOGY Co.,Ltd. Country or region before: China |