CN206194654U - Relay and electrical equipment - Google Patents
Relay and electrical equipment Download PDFInfo
- Publication number
- CN206194654U CN206194654U CN201621065311.7U CN201621065311U CN206194654U CN 206194654 U CN206194654 U CN 206194654U CN 201621065311 U CN201621065311 U CN 201621065311U CN 206194654 U CN206194654 U CN 206194654U
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- permanent magnet
- relay
- electrical equipment
- moving contact
- magnet machine
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Abstract
The embodiment of the utility model relates to a relay and electrical equipment. This relay includes: moving contact (21), static contact (22), coil (23), iron core (24), coil (23) are passed to the part at least, permanent magnet mechanism (25) is connected with moving contact (21) to through by iron core (24) through magnetic force actuation around pivot axis in swinging the primary importance and the second place under the circumstances of electric current in coil (23). In the primary importance, permanent magnet mechanism (25) drives moving contact (21) and static contact (22) closure to in the second place, permanent magnet mechanism (25) drives moving contact (21) and static contact (22) disconnection. In permanent magnet mechanism (25) fixedly connected with pointer (26), the state in order to instruct moving contact (21) is together swung along with permanent magnet mechanism (25) in pointer (26). This relay and electrical equipment provide accurate reliable condition indication for the user.
Description
Technical field
Each implementation method of the present utility model is related to relay, more particularly to the electrical equipment with relay.
Background technology
Overvoltage-undervoltage protector is a kind of known electrical equipment, its pass through to detect input voltage and input voltage it is too high or
Other components for driving relay disconnecting circuit to come in protection circuit when too low.
Current overvoltage-undervoltage protector does not provide the instruction of the state to relay contact therein.If relay
Moving contact is sticked together with static contact because of melting welding or other reasonses, even if overvoltage-undervoltage protector have issued the finger of disconnecting circuit
Order, the moving contact of relay also will be unable to action and be disconnected with static contact.And in the case where not indicating contact state, use
Family cannot know that moving contact does not disconnect with static contact yet, and being potentially based on the already off wrong understanding of circuit carries out follow-up behaviour
Make.This will bring unsafe factor for the subsequent operation of user, it is possible to cause the Personal Risks such as electric shock and to electrical equipment
Damage.
The content of the invention
In view of the foregoing, embodiment of the present utility model provides a kind of relay and electrically setting with the relay
Standby, it is used to solve the problems, such as at least a portion in the presence of above-mentioned existing overvoltage-undervoltage protector.
According to implementation method of the present utility model, there is provided a kind of relay, including：Moving contact；Static contact；Coil；Iron core,
At least partially across the coil；Permanent magnet machine, is connected with the moving contact, and by the feelings of electric current in the coil
Under condition by the iron core by magnetically-actuated around axis of oscillation swing to first position and the second place in one.Described
First position, the permanent magnet machine drives the moving contact to be closed with the static contact, and in the second place, it is described
Permanent magnet machine drives the moving contact to be disconnected with the static contact.Indicator is fixedly connected with the permanent magnet machine,
The indicator together swings to indicate the state of the moving contact with the permanent magnet machine.
According to implementation method of the present utility model, one end of the indicator is at the axis of oscillation of the permanent magnet machine
The permanent magnet machine is fixed to, and the other end of the indicator is provided with sign.
According to implementation method of the present utility model, the sign includes designated symbol and/or indicating color block.
According to implementation method of the present utility model, the permanent magnet machine includes permanent magnet and is located at the permanent magnet respectively
Reciprocal the two poles of the earth two magnetic conductive boards, the axis of oscillation of the permanent magnet machine is located between described two magnetic conductive boards,
And the iron core is extended between described two magnetic conductive boards (251,252).
According to implementation method of the present utility model, a kind of electrical equipment is also provided, it is included according to of the present utility model each
The relay of implementation method.
According to implementation method of the present utility model, the electrical equipment also includes shell, and the relay is located at the shell
In.Indicating window is provided with the housing, and the indicating window is configured as the swing position of the indicator for showing the relay.
According to implementation method of the present utility model, the electrical equipment also includes detection unit and driver element, and detection is single
Unit is configured as detecting the input voltage or electric current of the electrical equipment, and the driver element is configured as the detection
The magnitude of voltage or current value of unit detection are more than and/or drive the coil of the relay so that the relay during less than threshold value
Moving contact and static contact disconnect.
According to implementation method of the present utility model, the electrical equipment is, for example, overvoltage-undervoltage protector.
In the relay according to implementation method of the present utility model and the electrical equipment with the relay, by that will refer to
Show that pin is fixed to the permanent magnet machine for driving moving contact so that the swing of indicator can accurately and reliably indicate moving contact
Current time of day.Therefore, the relay and electrical equipment according to implementation method of the present utility model can be for providing
Accurate state instruction, so as to avoid potential danger.
Brief description of the drawings
When hereafter detailed description to exemplary embodiment is read in conjunction with the figure, these and other purpose, feature
Be will become obvious with advantage, in the accompanying drawings：
Fig. 1 is the schematic diagram of the electrical equipment according to embodiment of the present utility model；
Fig. 2 is the stereogram of the relay according to embodiment of the present utility model；
Fig. 3 shows the relay in the Fig. 2 in first state；
Fig. 4 shows the relay in the Fig. 2 in the second state.
Specific embodiment
Various implementation methods of the present utility model will only be described in detail by exemplary approach now.
With reference to Fig. 1, it illustrates the electrical equipment 1 according to implementation method of the present utility model.The electrical equipment is typically
It is overvoltage-undervoltage protector.The electrical equipment 1 includes shell 11, and relay, voltage detection unit and drive are accommodated in shell 11
Moving cell (not shown).Voltage detection unit is configured as detecting the input voltage of electrical equipment 1, and driver element is configured
It is to drive the actuating of relay with disconnecting circuit when the magnitude of voltage of voltage detection unit detection is more than and/or less than voltage threshold.
Fig. 2-4 shows the relay 2 according to implementation method of the present utility model that can be used in overvoltage-undervoltage protector.Should
Relay 2 can have a shell 27, have moving contact 21 in shell, and its may be coupled to electrical equipment 1 connects
Line terminals；Static contact 22, its another binding post that may be coupled to electrical equipment 1；Coil 23, it may be coupled to electrically
The driver element of equipment 1；Iron core 24 passes through the first end 241 and the second end 242 of coil 23 and iron core 24 respectively from line
The two ends of circle 23 extend out.
Permanent magnet machine 25 is rotatably supported in shell 27.The permanent magnet machine 25 includes permanent magnet (not shown) and difference
Positioned at two magnetic conductive boards 251 and 252 at reciprocal the two poles of the earth of permanent magnet.Installed part 253 is by permanent magnet and two magnetic conductive boards
251 and 252 are combined into one so that magnetic conductive board 251 is against a pole (such as the arctic) of permanent magnet, and magnetic conductive board 252 is against forever
Another pole (such as South Pole) of magnet.So, two magnetic conductive boards 251 and 252 are caused that this is led by the permanent magnet magnetization by respectively
Magnetic sheet 251 and 252 respectively becomes the two poles of the earth of whole permanent magnet machine 25 (for example, magnetic conductive board 251 is as the arctic, and magnetic conductive board 252
As the South Pole).Two axiss of oscillation of the magnetic conductive board 251,252 on permanent magnet machine 25 are arranged symmetrically so that permanent magnet machine
25 axis of oscillation is located at two magnetic conductive boards 251, between 252.Meanwhile, the first end 241 and the second end 242 of iron core 24
Two magnetic conductive boards 251 are extended to from upper and lower both sides respectively, between 252.Permanent magnet machine 25 is also connected to dynamic by connector 28
Contact 21.
Indicator 26 is fixedly connected with the installed part 253 of permanent magnet machine 25.Specifically, one end of indicator 26 exists
The installed part 253 of permanent magnet machine 25 is fixed at the axis of oscillation of permanent magnet machine 25.Therefore, indicator 26 can be with permanent magnetism
Body mechanism 25 together swings around common axis of oscillation.Indicator 26 extends to the outside of shell 27 and positioned at the outer of shell 27
There is sign 261,262 at the other end in portion.The sign 261,262 can be designated symbol and/or indicating color block.
When in the shell 11 of the electrical equipment 1 that the relay 2 is installed to shown in Fig. 1, the indicateing arm in the indicator 26 of relay 2
Knowing 261,262 can optionally expose from the indicating window 12 on the shell 11 of electrical equipment 1, be shown with by indicating window 12
The current oscillation position of the indicator 26 of relay.
In the case of the circuit normal work that electrical equipment 1 is connected, the voltage detection unit detection of electrical equipment 1
The input voltage of electrical equipment 1 is in threshold range, and now, the driver element of electrical equipment 1 is carried to the coil 23 of relay 2
For the electric current of first direction so that produce the magnetic field of first direction in iron core 24.Permanent magnet machine 25 is formed in magnetic conductive board 251
In the case that the arctic, magnetic conductive board 252 form the South Pole of permanent magnet machine 25, the magnetic field of the first direction is cause iron core 24 the
One end 241 is formed as the South Pole of iron core, and the second end 242 of iron core 24 is formed as the arctic of iron core.Now, such as Fig. 3 institutes
Show, the upper end for forming the magnetic conductive board 251 of magnetic field north will mutually inhale with the first end 241 of the iron core 24 for forming the magnetic field South Pole
Draw, and be similarly formed the lower end of the magnetic conductive board 251 of magnetic field north by the phase of the second end 242 with the iron core 24 for forming magnetic field north
Mutually repel, thus, the magnetic field of iron core 24 applies the clockwise torque shown in Fig. 3 by magnetic force to magnetic conductive board 251；Class
As, the magnetic conductive board 252 for being formed as the South Pole of permanent magnet machine 25 then will thereon hold mutual with the first end 241 of iron core 24
Repel, and attracted each other with the second end 242 of iron core 24 in its lower end, thus the magnetic field of iron core 24 also by magnetic force to magnetic conduction
Plate 252 applies the clockwise torque shown in Fig. 3.The two torques will jointly drive magnetic conductive board 251,252 together with whole
Individual permanent magnet machine 25 swings to first position as shown in Figure 3, the wherein upper end of magnetic conductive board 251 and iron core around axis of oscillation
24 adhesive of first end 241 is contacted and the lower end of whole permanent magnet machine 25 swings towards left side.
It should be appreciated that only there is the permanent magnet machine 25 of a magnetic conductive board 251 or 252 can also produce to be enough to drive permanent magnetism
The torque that body mechanism 25 swings, therefore permanent magnet machine 25 can also only have a magnetic conductive board 251 or 252.In addition, each is led
Magnetic sheet 251 or 252 at one end with the first end 241 and the second end 242 of iron core 24 in any one between magnetic attraction or
Magnetic repulsion can also produce the torque for being enough to drive permanent magnet machine 25 to swing, therefore permanent magnet machine 25 can also only make magnetic conduction
One end of plate 251 or 252 interacts with a pole of iron core 24.
Permanent magnet machine 25 also promotes the moving contact 21 of relay 2 towards left side wobble drive connector 28 also towards left side
Swing and closure is contacted with static contact 22 so that the closed circuit of relay 2 and make circuit normal ON.Now, indicator 26
It is same to make the one end of indicator 26 around axis of oscillation (on the basis of shown in Fig. 3) swing clockwise with permanent magnet machine 25
The indicating window of a part (such as the part represented by mark 261) in sign 261,262 from the shell 11 of electrical equipment 1
Expose in 12.Therefore, user can see the sign 261 so as to according to the sign 261 from the indicating window 12
The current location for solving moving contact 21 is in the position closed with static contact.
In the case where the input voltage of the circuit that electrical equipment 1 is connected is too high or too low, the voltage inspection of electrical equipment 1
The input voltage for surveying the electrical equipment 1 of unit detection is in outside threshold range, now, the driver element of electrical equipment 1 to after
The coil 23 of electrical equipment 2 provides the electric current of the second direction opposite with first direction so that the magnetic of second direction is produced in iron core 24
.In the case of the arctic, the South Pole of the formation permanent magnet machine 25 of magnetic conductive board 252 that magnetic conductive board 251 forms permanent magnet machine 25,
The magnetic field of the second direction is and the second end of the iron core 24 so that first end 241 of iron core 24 is formed as the arctic of iron core
242 South Pole for being formed as iron core.Now, as shown in figure 4, the upper end for forming the magnetic conductive board 251 of magnetic field north will be with formation magnetic field
The first end 241 of the iron core 24 of the arctic is mutually exclusive, and the lower end for being similarly formed the magnetic conductive board 251 of magnetic field north will be with formation
The second end 242 of the iron core 24 in the magnetic field South Pole is attracted each other, and thus, the magnetic field of iron core 24 is applied by magnetic force to magnetic conductive board 251
Plus the anticlockwise torque shown in Fig. 4.Similarly, the magnetic field of iron core 24 can also be applied by magnetic force to magnetic conductive board 252
Anticlockwise torque shown in Fig. 4.The two torques will jointly drive magnetic conductive board 251,252 together with whole permanent magnet machine
Structure 25 is around axis of oscillation counter-clockwise swing to the second place as shown in Figure 4, the wherein lower end of magnetic conductive board 251 and iron core 24
The adhesive of the second end 242 is contacted and the lower end of whole permanent magnet machine 25 swings towards right side.
Permanent magnet machine 25 also promotes the moving contact 21 of relay 2 towards right side wobble drive connector 28 also towards right side
Swing and disconnected with static contact 22, so that the disconnecting circuit of relay 2.Now, indicator 26 it is same with permanent magnet machine 25 around
Axis of oscillation counterclockwise swings (on the basis of shown in Fig. 4) and makes the sign 261,262 of the one end of indicator 26
Another part (such as the part represented by mark 262) exposes and 261 tables from the indicating window 12 of the shell 11 of electrical equipment 1
No longer expose from indicating window 12 part for showing.Therefore, user can be seen from the indicating window 12 sign 262 so as to
The current location for understanding moving contact 21 according to the sign 262 is in the position disconnected with static contact.
Because indicator 26 is all the time with the permanent magnet machine 25 for driving moving contact 21 to act together with identical swing amplitude,
Thereby indicate that the swing position of pin 26 reflects the current actual position of moving contact 21 all the time.So, according to of the present utility model
Indicator 26 in the relay of implementation method is capable of the time of day of the accurately and reliably moving contact of indicating relay.
The different piece of the sign 261,262 of indicator 26 can have different symbol and/or color.For example,
The part 261 that the sign of indicator 26 exposes from indicating window 12 when moving contact 21 is closed with static contact 22 can have
The word of " closed " or the color of red are indicated with indicating the closure state of contact when moving contact 21 and static contact 22 disconnect
The part 262 that the sign of pin 26 exposes from indicating window 12 can have the word of "off" or the color of green to indicate
The disconnected state of contact.
In one embodiment, the sign in indicator 26 can also only have the one kind for indicating moving contact 21
The part 261 of state, and another sign is set in the inside of the indicating window 12 of electrical equipment 1.When indicator 26 swings
When sign 261 on to indicator 26 exposes from indicating window 12, the sign 261 in indicator 26 blocks indicating window
Another sign inside 12, so as to represent that moving contact 21 is in closure or disconnected with the sign 261 in indicator 26
Open position.And when the sign 261 that indicator 26 is swung in indicator 26 leaves indicating window 12, inside indicating window 12
Another sign exposes from indicating window 12 and represents that moving contact 21 is in and be opened or closed position.So, equally can be with
The indicator 26 together swung using the permanent magnet machine 25 with relay 2 indicates the time of day of moving contact 21.
The pole orientation of the permanent magnet machine 25 in embodiments described above can be exchanged, and be supplied to coil 23
Sense of current can also exchange.In addition, the end of the moving contact 21 of the driving of permanent magnet machine 25 can also be exchanged.Can assist
Adjust ground that each factor above is set, to ensure to swing to the position for making moving contact 21 be closed with static contact 22 when permanent magnet machine 25
When, the part exposed from indicating window 12 in the sign of indicator 26 just represents the closure state of moving contact 21, and
When permanent magnet machine 25 swings to the position for making moving contact 21 be disconnected with static contact 22, from finger in the sign of indicator 26
Show that the part exposed in window 12 just represents the off-state of moving contact 21.
Although being described according to electrical equipment of the present utility model 1 by example of overvoltage-undervoltage protector above, should
Understand, comprising that can be any other equipment according to the electrical equipment 1 of relay of the present utility model, including but not limited to：
Breaker, short-circuit protector, Surge Protector etc..These electrical equipments can detect input voltage or electricity using detection unit
Flow, and driver element is controlled according to the actuating of relay of the present utility model to close or disconnect moving contact according to testing result.
Relay 2 according to implementation method of the present utility model individually can also be used for various circuits as an electrical equipment
In.And, in the utility model, term " relay " is understood with wide in range implication, and especially can be comprising " contact
The implication of device ".
Specification of the present utility model is given for the purpose for showing and describe, but it is not intended to exhaustion
Or it is limited to disclosed form.It may occur to persons skilled in the art that many modifications and variant.Therefore, implementation method be in order to
Principle of the present utility model, practical application is better described and make other staff in those skilled in the art it will be appreciated that with
Lower content and select and describe, i.e. on the premise of the utility model spirit is not departed from, all modifications made and replace all
To fall into the utility model protection domain of appended claims definition.
Claims (8)
1. a kind of relay, it is characterised in that including：
Moving contact (21)；
Static contact (22)；
Coil (23)；
Iron core (24), at least partially across the coil (23)；
Permanent magnet machine (25), is connected with the moving contact (21), and by the case of electric current in the coil (23)
By the iron core (24) by magnetically-actuated around axis of oscillation swing to first position and the second place in one, wherein
The first position, the permanent magnet machine (25) drives the moving contact (21) to be closed with the static contact (22), and
The second place, the permanent magnet machine (25) drives the moving contact (21) to be disconnected with the static contact (22)；
Wherein, indicator (26) is fixedly connected with the permanent magnet machine (25), the indicator (26) is with the permanent magnetism
Body mechanism (25) together swings to indicate the state of the moving contact (21).
2. relay according to claim 1, it is characterised in that one end of the indicator (26) is in the permanent magnet machine
The permanent magnet machine (25) is fixed at the axis of oscillation of structure (25), and the other end of the indicator (26) is provided with instruction
Mark (261,262).
3. relay according to claim 2, it is characterised in that the sign (261,262) is including designated symbol
And/or indicating color block.
4. the relay according to any one of claim 1-3, it is characterised in that the permanent magnet machine (25) is including forever
Magnet and respectively positioned at the permanent magnet reciprocal the two poles of the earth two magnetic conductive boards (251,252), the permanent magnet machine
(25) axis of oscillation be located at described two magnetic conductive boards (251,252) between, and the iron core (24) extend to it is described two
Between magnetic conductive board (251,252).
5. a kind of electrical equipment, it is characterised in that including the relay according to any one of claim 1-4.
6. electrical equipment according to claim 5, it is characterised in that also including shell (11), the relay is located at institute
In stating shell (11)；Wherein, indicating window (12) is provided with the shell (11), the indicating window (12) is configured as showing institute
State the swing position of the indicator (26) of relay.
7. the electrical equipment according to claim 6, it is characterised in that the electrical equipment also includes detection unit and drive
Moving cell, detection unit is configured as detecting the input voltage or electric current of the electrical equipment, and the driver element is matched somebody with somebody
It is set to the coil that the relay is driven when the magnitude of voltage or current value of detection unit detection are more than and/or less than threshold value
(23) so that the moving contact (21) of the relay disconnects with static contact (22).
8. electrical equipment according to claim 7, it is characterised in that the electrical equipment is overvoltage-undervoltage protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065311.7U CN206194654U (en) | 2016-09-01 | 2016-09-01 | Relay and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065311.7U CN206194654U (en) | 2016-09-01 | 2016-09-01 | Relay and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206194654U true CN206194654U (en) | 2017-05-24 |
Family
ID=58728435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621065311.7U Active CN206194654U (en) | 2016-09-01 | 2016-09-01 | Relay and electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206194654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466717A (en) * | 2020-12-07 | 2021-03-09 | 浙江沃森泵阀科技(集团)有限公司 | AC contactor with temperature control |
-
2016
- 2016-09-01 CN CN201621065311.7U patent/CN206194654U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466717A (en) * | 2020-12-07 | 2021-03-09 | 浙江沃森泵阀科技(集团)有限公司 | AC contactor with temperature control |
| CN112466717B (en) * | 2020-12-07 | 2023-09-26 | 浙江沃森泵阀科技(集团)有限公司 | AC contactor with temperature control |
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