CN204516690U - Electromagnetic contactor - Google Patents
Electromagnetic contactor Download PDFInfo
- Publication number
- CN204516690U CN204516690U CN201520260173.7U CN201520260173U CN204516690U CN 204516690 U CN204516690 U CN 204516690U CN 201520260173 U CN201520260173 U CN 201520260173U CN 204516690 U CN204516690 U CN 204516690U
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- arc
- contact
- extinguish chamber
- emergency key
- moving
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Abstract
The utility model relates to a kind of electromagnetic contactor, comprise base, housing, electromagnetic system, contact system and arc-control device, described electromagnetic system comprises coil, yoke, the top place that described contact system comprises corresponding yoke is arranged on the contact rack in housing, two moving contacts of contact rack both sides are set respectively, corresponding each moving contact place is fixed on the fixed contact in housing, be arranged on the back-moving spring in contact rack, described arc-control device comprises arc-extinguish chamber, corresponding each fixed contact place is arranged on the blowout coil in housing, arc-chute is provided with in described arc-extinguish chamber, and the moving contact described in the correspondence of lower end of arc-extinguish chamber, fixed contact place is provided with arc leading angle, the outer wall of described arc-extinguish chamber is hung with emergency key.The utility model has the advantage that volume is little, long service life, maintenance cost are low.
Description
Technical field
The utility model is specifically related to a kind of electromagnetic contactor.
Background technology
Electromagnetic contactor refers in industrial electro and utilizes coil to flow through current induced magnetic field, makes contact closure, to reach the electrical equipment of control load.Electromagnetic contactor is made up of electromagnetic system, contact system and arc-control device.Electromagnetic contactor used in the special equipment of current railway and the occasion such as oil field, mine is all that transformation forms a little on the basis of civil electric appliance, cannot meet the instructions for use of the special occasions high density such as railway, oil field, mine, Large Copacity, strong vibration.And the employing of the moving contact of existing electromagnetic contactor is that multiple contact parallel-connection structure is arranged, the moving contact of this vibrational power flow not only increases the volume of whole electromagnetic contactor, and moving contact assembling is also more loaded down with trivial details, when this moving contact by electric arc burn need change time, the moving contact dismounting of this vibrational power flow is more loaded down with trivial details, greatly reduce the operating efficiency of maintenance personal, and change multiple contact, too increase the maintenance cost of user.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, provides the electromagnetic contactor that a kind of volume is little, long service life, maintenance cost are low.
For achieving the above object, the utility model adopts a kind of electromagnetic contactor, comprise base, housing, electromagnetic system, contact system and arc-control device, described electromagnetic system comprises coil, yoke, the top place that described contact system comprises corresponding yoke is arranged on the contact rack in housing, two moving contacts of contact rack both sides are set respectively, corresponding each moving contact place is fixed on the fixed contact in housing, be arranged on the back-moving spring in contact rack, described arc-control device comprises arc-extinguish chamber, corresponding each fixed contact place is arranged on the blowout coil in housing, arc-chute is provided with in described arc-extinguish chamber, and the moving contact described in the correspondence of lower end of arc-extinguish chamber, fixed contact place is provided with arc leading angle, the outer wall of described arc-extinguish chamber is hung with emergency key.
The beneficial effect of said structure is: the moving contact that original multiple contact is arranged in parallel is improved by this electromagnetic contactor, adopt the moving contact of big contact monopolar configuration, thus the volume reducing this electromagnetic contactor is little, and this moving contact capacity is large, overcurrent capability is strong, and on this electromagnetic contactor, corresponding moving contact and fixed contact place are provided with arc-control device, thus avoids moving contact by electrical arc erosion, extend the useful life of this electromagnetic contactor, decrease maintenance cost.
Described emergency key is provided with spacer pin, the upper surface of described arc-extinguish chamber is provided with the installing hole for installing emergency key, described emergency key passes described installing hole and is installed in arc-extinguish chamber by spacer pin, and conflict on the upper surface of moving contact frame in the lower end of emergency key, and this emergency key can promote moving contact action and moving contact and fixed contact can be remained on on-state.When the coil of this electromagnetic contactor breaks down, emergency key can be inserted in the installing hole on arc-extinguish chamber by staff, emergency key promotes moving contact frame action, moving contact frame drives moving contact action, when moving contact and fixed contact are connected, rotate emergency key again, spacer pin on emergency key is installed on the inwall of arc-extinguish chamber, now emergency key can be locked by moving contact, keep moving contact and fixed contact on-state, thus the generation of the harm that this electromagnetic contactor can be avoided to cause because of coil fault, thus improve the security performance of this electromagnetic contactor.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model embodiment.
Fig. 2 is the utility model embodiment vertical view.
Fig. 3 is the utility model emergency key front view.
Fig. 4 is the assembling schematic diagram of the utility model emergency key and arc-extinguish chamber.
Embodiment
As shown in Figure 1,2,3, 4, the utility model embodiment is a kind of electromagnetic contactor, comprises base 10, housing 11, electromagnetic system, contact system and arc-control device.Described electromagnetic system comprises coil 20, yoke 21, the top place that described contact system comprises corresponding yoke 21 is arranged on the contact rack 30 in housing 11, two moving contacts 31 of contact rack 30 both sides are set respectively, corresponding each moving contact 31 place is fixed on the fixed contact 32 in housing 11, be arranged on the back-moving spring 33 in contact rack 30, described arc-control device comprises arc-extinguish chamber 40, corresponding each fixed contact 32 place is arranged on the blowout coil 41 in housing 11, arc-chute 42 is provided with in described arc-extinguish chamber 40, and the moving contact 31 described in the correspondence of lower end of arc-extinguish chamber 40, fixed contact 32 place is provided with arc leading angle 43, the outer wall of described arc-extinguish chamber 40 is hung with emergency key 50.The moving contact that original multiple contact is arranged in parallel is improved by this electromagnetic contactor, adopt the moving contact of big contact monopolar configuration, thus the volume reducing this electromagnetic contactor is little, and this moving contact capacity is large, overcurrent capability is strong, and on this electromagnetic contactor, corresponding moving contact and fixed contact place are provided with arc-control device, thus avoids moving contact by electrical arc erosion, extend the useful life of this electromagnetic contactor, decrease maintenance cost.Described emergency key is provided with spacer pin, the upper surface of described arc-extinguish chamber 40 is provided with the installing hole 401 for installing emergency key 50, described emergency key 50 passes described installing hole 401 and is installed in arc-extinguish chamber 40 by spacer pin 51, and conflict on the upper surface of moving contact frame 30 in the lower end of emergency key 50, and this emergency key 50 can promote moving contact 31 action and moving contact 31 and fixed contact 32 can be remained on on-state.As shown in Figure 4, when the coil of this electromagnetic contactor breaks down, emergency key can be inserted in the installing hole on arc-extinguish chamber by staff, emergency key promotes moving contact frame action, moving contact frame drives moving contact action, when moving contact and fixed contact are connected, rotate emergency key again, spacer pin on emergency key is installed on the inwall of arc-extinguish chamber, now emergency key can be locked by moving contact, keep moving contact and fixed contact on-state, thus the generation of the harm that this electromagnetic contactor can be avoided to cause because of coil fault, thus improve the security performance of this electromagnetic contactor.
Claims (2)
1. an electromagnetic contactor, comprise base, housing, electromagnetic system, contact system and arc-control device, it is characterized in that: described electromagnetic system comprises coil, yoke, the top place that described contact system comprises corresponding yoke is arranged on the contact rack in housing, two moving contacts of contact rack both sides are set respectively, corresponding each moving contact place is fixed on the fixed contact in housing, be arranged on the back-moving spring in contact rack, described arc-control device comprises arc-extinguish chamber, corresponding each fixed contact place is arranged on the blowout coil in housing, arc-chute is provided with in described arc-extinguish chamber, and the moving contact described in the correspondence of lower end of arc-extinguish chamber, fixed contact place is provided with arc leading angle, the outer wall of described arc-extinguish chamber is hung with emergency key.
2. electromagnetic contactor according to claim 1, it is characterized in that: described emergency key is provided with spacer pin, the upper surface of described arc-extinguish chamber is provided with the installing hole for installing emergency key, described emergency key passes described installing hole and is installed in arc-extinguish chamber by spacer pin, and conflict on the upper surface of moving contact frame in the lower end of emergency key, and this emergency key can promote moving contact action and moving contact and fixed contact can be remained on on-state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260173.7U CN204516690U (en) | 2015-04-23 | 2015-04-23 | Electromagnetic contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260173.7U CN204516690U (en) | 2015-04-23 | 2015-04-23 | Electromagnetic contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516690U true CN204516690U (en) | 2015-07-29 |
Family
ID=53714637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520260173.7U Active CN204516690U (en) | 2015-04-23 | 2015-04-23 | Electromagnetic contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204516690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045955A (en) * | 2017-04-27 | 2017-08-15 | 厦门宏发电声股份有限公司 | A kind of electromagnetic relay of high pressure resistant large current load |
-
2015
- 2015-04-23 CN CN201520260173.7U patent/CN204516690U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045955A (en) * | 2017-04-27 | 2017-08-15 | 厦门宏发电声股份有限公司 | A kind of electromagnetic relay of high pressure resistant large current load |
| CN107045955B (en) * | 2017-04-27 | 2020-01-21 | 厦门宏发电声股份有限公司 | Electromagnetic relay with high-voltage-resistant and high-current load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |