CN207624474U - A kind of DC electromagnet working condition feedback device - Google Patents
A kind of DC electromagnet working condition feedback device Download PDFInfo
- Publication number
- CN207624474U CN207624474U CN201721787478.9U CN201721787478U CN207624474U CN 207624474 U CN207624474 U CN 207624474U CN 201721787478 U CN201721787478 U CN 201721787478U CN 207624474 U CN207624474 U CN 207624474U
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- China
- Prior art keywords
- circuit board
- electromagnet
- upside
- movable contact
- push rod
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Abstract
A kind of DC electromagnet working condition feedback device, including electromagnet, shell, circuit board, stationary contact, the quiet spring of auxiliary, movable contact spring, screw base, mounting screw；Push rod is circumferentially with annular groove beyond the body of rod on the upside of electromagnet；Circuit board level is arranged and central area is provided with through-hole, and the specification of through-hole is sufficient to make push rod to pass through, there is observation circuit on circuit board；Length direction one end of movable contact spring is fixed on edge on the upside of circuit board, the length direction other end stretches into through-hole；Stationary contact is located at the lower section of movable contact spring；Quiet spring is assisted to be located at the top of movable contact spring, screw base is located on the upside of circuit board at the position of through-hole and is faced with stationary contact, and the upper side seal mouth of shell, downside are open, and circuit board is placed in shell, and the upside of mounting screw drawing-in shell is screwed on screw base；Under circuit board with connect on the upside of electromagnet, the movable contact spring length direction other end stretches into annular groove.The present apparatus can feed back the location status of electromagnet.
Description
Technical field
The utility model is related to a kind of DC electromagnet working condition feedback devices.
Background technology
DC electromagnet is a kind of electric elements that electromagnetic energy is converted to mechanical energy drive external device (ED) movement, it is general
It is made of three magnet exciting coil, iron core and armature major parts, for details, reference can be made to Chinese patent, application No. is
The iron core of electromagnet in 201620119244.6, DC electromagnet is equipped with the vertical push rod arranged, moved axially up and down, pushes away
The upper and lower side of bar respectively correspondingly exceeds the upper and lower sides certain distance of electromagnet, and iron core stress drives pushrod movement after energization, can
Applied to the open and close of various mechanical devices, the building block of relay, contactor, electromagnetic clutch is also can be used as, is
Important automatic control component in engineering, can effectively promote the automatization level of engineering equipment.With answering extensively for DC electromagnet
With engineering equipment also proposes DC electromagnet new demand, some special occasions need electromagnet to have location status feedback
Function.
When conventional electromagnets work, it is generally divided into two kinds of working conditions of locking and unlock.In practical engineering application, some are special
Different environment need to carry out accurate feedback, because electromagnet itself is no in aerospace equipment to the location status information of electromagnet
Has location status information feedback function, therefore need to be by external equipment, such as external travel switch completes this function, but this can increase
Add the volume and weight of engineering equipment.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of DC electromagnet working condition feedback devices, can
Feed back the location status of electromagnet.
In order to solve the above technical problems, the utility model provides a kind of DC electromagnet working condition feedback device, packet
Electromagnet is included, the central area of the electromagnet is equipped with the vertical push rod arranged, moved axially up and down, the upper and lower side point of push rod
The upper and lower sides certain distance for accordingly exceeding electromagnet, further include shell, circuit board, stationary contact, the quiet spring of auxiliary, movable contact spring,
Screw base, mounting screw；
Push rod is circumferentially with annular groove beyond the body of rod on the upside of electromagnet；
Circuit board level is arranged and central area is provided with through-hole, and the specification of through-hole is sufficient to make push rod to pass through, on circuit board
There is observation circuit；
Observation circuit includes DC power supply, resistance, the first light emitting diode, the second light emitting diode, the first pad, second
The anode of pad, third pad, DC power supply connects with third pad, and the cathode of DC power supply connects with one end of resistance, electricity
The other end of resistance connects with the cathode of the first light emitting diode, the second light emitting diode respectively, the first pad and first luminous two
The anode of pole pipe connects, and the second pad connects with the anode of the second light emitting diode；
Movable contact spring is general horizontal arrangement, rectangle, flexible metallic plate, and length direction one end of movable contact spring is fixed
The edge of side, the length direction other end stretch into through-hole on circuit boards；
Stationary contact is located at the lower section at the position of through-hole and positioned at movable contact spring on the upside of circuit board；
It is inverted U-shape to assist the shape of quiet spring, assist the under shed side of quiet spring across after movable contact spring, stationary contact with circuit board
Upside connect；
Stationary contact is conducted with the first contact and is connect, and is assisted quiet spring to be conducted with the second contact and is connect, the length of movable contact spring
Direction one end conducts with third contact and connect；
Screw base is located on the upside of circuit board at the position of through-hole and is faced with stationary contact, the upper side seal mouth of shell,
Downside is open, and circuit board is placed in shell, and the upside of mounting screw drawing-in shell is screwed on screw base；
Under circuit board with connect on the upside of electromagnet, the center line of through-hole and the common vertical line of the axis of push rod so that
Shell is shelved and is located in the upside of electromagnet, push rod passes through through-hole, the specification of push rod to be sufficient to make annular groove from bottom to top
Upside be higher than circuit board, the specification of movable contact spring is sufficient to make its length direction other end to stretch into annular groove.
For the sake of simple declaration problem, below to a kind of DC electromagnet working condition feedback dress described in the utility model
It sets and is referred to as the present apparatus.
The operation principle of the present apparatus is：If movable contact spring is fixing end with the fixed one end of circuit board, the other end is swinging end；
When electromagnet push-rod needs to move upwards, working signal is loaded on magnet exciting coil, and iron core drives push rod upward
Movement, the lower side of annular groove drives the swinging end of movable contact spring to move upwards, when electromagnet moves to highest order, movable contact spring with
Quiet spring is assisted to contact, at this time by electric current in circuit board by the second light emitting diode, the second light emitting diode lights expression prison
It measures electromagnet and is located at lock-out state；
Similarly, when electromagnet push-rod needs to move downward, working signal is loaded on magnet exciting coil, and iron core drives push rod
It moves downward, the upper side edge of annular groove drives the swinging end of movable contact spring to move downward, and when electromagnet moves to lowest order, moves spring
Piece and stationary contact point contact, at this time by electric current in circuit board by the first light emitting diode, the first light emitting diode lights expression
It detects electromagnet and is located at unlocked state；
Electromagnet location status feedback function is completed with this.
The advantages of present apparatus, the present apparatus solve the condition monitoring function of conventional electromagnets, need external equipment defect, just
In the use of engineering equipment, simultaneously because between annular groove upper side edge, lower side have difference in height, so movable contact spring from it is quiet
Contact is transformed into and assists during quiet spring contact, and push rod experienced one section of idle stroke, movable contact spring from the quiet spring of auxiliary
Touching with the process of stationary contact point contact can similarly be such that the deformation degree of movable contact spring reduces in this way, effectively improve movable contact spring
Service life, on circuit boards, circuit board is placed in shell shell spinning, and shell, which can play, protects feedback device not by external force
The effect of impact and blocks dust.
To reach the better using effect of the present apparatus, preferred embodiment is as follows：
Preferably, being equipped with circumferential direction equipped with matched round set, the upper and lower sides of circle set in annular groove
Extend and the annular flange beyond push rod, the specification of through-hole are sufficient to make the annular flange of round set downside to wear from bottom to up
It crosses.
Ring washer can protect annular groove, reduce abrasion of the movable contact spring to push rod.
Description of the drawings
Fig. 1 is the structural schematic diagram of present apparatus off working state.
Fig. 2 is circuit board feedback circuit schematic diagram.
Fig. 3 is structural schematic diagram of the present apparatus in DC electromagnet unlocked state.
Fig. 4 is structural schematic diagram of the present apparatus in DC electromagnet lock-out state.
Specific implementation mode
Referring to Fig. 1, the present apparatus includes electromagnet 1, shell 7, circuit board 3, stationary contact 4, the quiet spring 5 of auxiliary, movable contact spring 6, spiral shell
The central area of nail seat 32, mounting screw 33, the electromagnet 1 is equipped with the vertical push rod 2 arranged, moved axially up and down, pushes away
The upper and lower side of bar 2 respectively correspondingly exceeds the upper and lower sides certain distance of electromagnet 1；
The body of rod of the push rod 2 beyond 1 upside of electromagnet is circumferentially with annular groove 21, is equipped in annular groove 21 and is mutually fitted with it
The upper and lower sides of the round set 22 matched, circle set 22 are equipped with circumferentially extending and the annular flange beyond push rod 2；
Circuit board 3 is horizontally disposed and central area is provided with circular through hole 31, and the specification of through-hole 31 is sufficient to make round set 22
Lower flange 222 pass through from bottom to up, have observation circuit on circuit board 3；
Referring to Fig. 2, observation circuit includes DC power supply 8, resistance 9, the first light emitting diode 42, the second light emitting diode
52, the anode of the first pad 41, the second pad 51, third pad 62, DC power supply 8 connects with third pad 62, DC power supply 8
Cathode connect with one end of resistance 9, the other end of resistance 9 respectively with the first light emitting diode 42, the second light emitting diode 52
Cathode connect, the first pad 41 connects with the anode of the first light emitting diode 42, the second pad 51 and the second light emitting diode
52 anode connects；
Movable contact spring 6 is general horizontal arrangement, rectangle, flexible metallic plate, and length direction one end of movable contact spring 6 is logical
Cross that fixed seat 61 is fixed on the edge of the upside of circuit board 3, the length direction other end stretches into through-hole 31；
Stationary contact 4 is located at lower section of 3 upside of circuit board at the position of through-hole 31 and positioned at movable contact spring 6；
It is inverted U-shape to assist the shape of quiet spring 5, assist the under shed side of quiet spring 5 across after movable contact spring 6, stationary contact 4 with electricity
The upside of road plate 3 connects；
Stationary contact 4 is conducted with the first contact and is connect, and is assisted quiet spring 5 to be conducted with the second contact and is connect, the length of movable contact spring 6
Degree direction one end is conducted with third contact to be connect；
Screw base 32 is located at the upside of circuit board 3 and is faced at the position of through-hole 31 and with stationary contact 4, shell 7 it is upper
Side seal mouth, downside are open, and circuit board 3 is placed in shell 7, and the upside of 33 drawing-in shell 7 of mounting screw is screwed on screw base 32；
Circuit board connects for 3 times with the upside of electromagnet 1, the center line of through-hole 31 and the common vertical line of the axis of push rod 2,
So that shell 7 is shelved and is located in the upside of electromagnet 1, push rod 2 and through-hole 31, the specification of push rod 2 is passed through to be enough to make from bottom to top
The upper side flanging 221 of the upside and round set 22 that obtain annular groove 21 is higher than circuit board 3, and the specification of movable contact spring 6 is sufficient to make it
The length direction other end stretches into round set 22.
If movable contact spring 6 is fixing end with 3 fixed one end of circuit board, the other end is swinging end；
Referring to Fig. 2, Fig. 3 (screw base 32, mounting screw 33, shell 7 are not shown in Fig. 3)：
When 1 push rod 2 of electromagnet needs to move upwards, working signal is loaded on magnet exciting coil, iron core drive push rod 2 to
Upper movement, circle 22 lower flanges 222 of set drive the swinging end of movable contact spring 6 to move upwards, when electromagnet 1 moves to highest order,
Movable contact spring 6 is contacted with quiet spring 5 is assisted, and passes through the second light emitting diode 52, the second light-emitting diodes by electric current in circuit board 3 at this time
Pipe 52, which lights expression and detects electromagnet 1, is located at lock-out state；
Similarly, referring to Fig. 2, Fig. 4 (screw base 32, mounting screw 33, shell 7 are not shown in Fig. 4)：
When 1 push rod 2 of electromagnet needs to move downward, working signal is loaded on magnet exciting coil, iron core drive push rod 2 to
Lower movement, circle covers side flanging 221 on 22 and the swinging end of movable contact spring 6 is driven to move downward, when electromagnet 1 moves to lowest order,
Movable contact spring 6 is contacted with stationary contact 4, passes through the first light emitting diode 42, the first light emitting diode by electric current in circuit board 3 at this time
42, which light expression, detects electromagnet 1 and is located at unlocked state；
1 location status feedback function of electromagnet is completed with this.
The advantages of present apparatus, the present apparatus solve the condition monitoring function of conventional electromagnets 1, need external equipment defect,
Convenient for the use of engineering equipment, simultaneously because on round set 22 there is difference in height between side flanging 221, lower flange 222, so
Movable contact spring 6 is transformed into from being contacted with stationary contact 4 and assists during quiet spring 5 contact, and push rod 2 experienced one section of idle stroke, dynamic
Reed 6 touches the process that is contacted with stationary contact 4 similarly from quiet spring 5 is assisted, and the deformation degree of movable contact spring 6 can in this way subtracted
It is small, 7 spinning of service life shell of movable contact spring 6 is effectively improved on circuit board 3, and circuit board 3 is placed in shell 7, and shell 7 can be with
Play the role of protecting feedback device not by external impacts and blocks dust.
Circle set 22 can protect annular groove 21, reduce abrasion of the movable contact spring 6 to push rod 2.
Claims (2)
1. a kind of DC electromagnet working condition feedback device, including electromagnet, the central area of the electromagnet, which is equipped with, erects
The straight push rod arranged, moved axially up and down, the upper and lower side of push rod respectively correspondingly exceed the upper and lower sides certain distance of electromagnet,
It is characterized in that：Further include shell, circuit board, stationary contact, the quiet spring of auxiliary, movable contact spring, screw base, mounting screw；
Push rod is circumferentially with annular groove beyond the body of rod on the upside of electromagnet；
Circuit board level is arranged and central area is provided with through-hole, and the specification of through-hole is sufficient to make push rod to pass through, there is prison on circuit board
Slowdown monitoring circuit；
Observation circuit includes DC power supply, resistance, the first light emitting diode, the second light emitting diode, the first pad, the second weldering
The anode of disk, third pad, DC power supply connects with third pad, and the cathode of DC power supply connects with one end of resistance, resistance
The other end connect respectively with the cathode of the first light emitting diode, the second light emitting diode, the first pad and the first light-emitting diodes
The anode of pipe connects, and the second pad connects with the anode of the second light emitting diode；
Movable contact spring is general horizontal arrangement, rectangle, flexible metallic plate, and length direction one end of movable contact spring is fixed on electricity
Edge, the length direction other end on the upside of the plate of road are stretched into through-hole；
Stationary contact is located at the lower section at the position of through-hole and positioned at movable contact spring on the upside of circuit board；
It is inverted U-shape to assist the shape of quiet spring, assists the under shed side of quiet spring across upper with circuit board after movable contact spring, stationary contact
Side connects；
Stationary contact is conducted with the first contact and is connect, and is assisted quiet spring to be conducted with the second contact and is connect, the length direction of movable contact spring
One end conducts with third contact and connect；
Screw base is located on the upside of circuit board at the position of through-hole and is faced with stationary contact, the upper side seal mouth of shell, downside
Opening, circuit board are placed in shell, and the upside of mounting screw drawing-in shell is screwed on screw base；
Under circuit board with connect on the upside of electromagnet, the center line of through-hole and the common vertical line of the axis of push rod so that shell
Shelving and being located in the upside of electromagnet, push rod passes through through-hole, the specification of push rod to be sufficient to make the upper of annular groove from bottom to top
Side is higher than circuit board, and the specification of movable contact spring is sufficient to make its length direction other end to stretch into annular groove.
2. a kind of DC electromagnet working condition feedback device according to claim 1, it is characterised in that：In annular groove
Equipped with matched circle set, the upper and lower sides of circle set are equipped with circumferentially extending and the annular flange beyond push rod, through-hole
Specification be sufficient to make the annular flange of round set downside to pass through from bottom to up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721787478.9U CN207624474U (en) | 2017-12-20 | 2017-12-20 | A kind of DC electromagnet working condition feedback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721787478.9U CN207624474U (en) | 2017-12-20 | 2017-12-20 | A kind of DC electromagnet working condition feedback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624474U true CN207624474U (en) | 2018-07-17 |
Family
ID=62821741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721787478.9U Expired - Fee Related CN207624474U (en) | 2017-12-20 | 2017-12-20 | A kind of DC electromagnet working condition feedback device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207624474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946020A (en) * | 2017-12-20 | 2018-04-20 | 中国电子科技集团公司第四十研究所 | A kind of DC electromagnet working status feedback device |
-
2017
- 2017-12-20 CN CN201721787478.9U patent/CN207624474U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946020A (en) * | 2017-12-20 | 2018-04-20 | 中国电子科技集团公司第四十研究所 | A kind of DC electromagnet working status feedback device |
| CN107946020B (en) * | 2017-12-20 | 2023-10-31 | 中国电子科技集团公司第四十研究所 | DC electromagnet working state feedback device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20211220 |