CN203192712U - Motor-style drive relay - Google Patents
Motor-style drive relay Download PDFInfo
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- CN203192712U CN203192712U CN 201320132015 CN201320132015U CN203192712U CN 203192712 U CN203192712 U CN 203192712U CN 201320132015 CN201320132015 CN 201320132015 CN 201320132015 U CN201320132015 U CN 201320132015U CN 203192712 U CN203192712 U CN 203192712U
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- flexible
- electric motor
- type transmission
- plate assembly
- push card
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Abstract
The utility model relates to a motor-style drive relay comprising a base, a driving device and a load switching-on/off mechanism, wherein the driving device includes a direct-current motor, a gear set and a driving bar, and the load switching-on/off mechanism includes a moving plate assembly and a static plate assembly. The motor-style drive relay further comprises a pushing card; the driving bar is a flexible pry bar; the pushing card is connected between the flexible pry bar of the driving device and the moving plate assembly of the load switching-on/off mechanism; one end of the pushing card is in flexible pushing connection with the flexible pry bar of the driving device; and the other end of the pushing card is in flexible pushing connection with the moving plate assembly of the load switching-on/off mechanism. The flexible pushing connection adopted in the utility model can buffer action force of the relay with force generated through self-deformation, reduce impact force borne by the driving device and improve the using service life of the relay.
Description
Technical field
The utility model relates to intelligent grid and controls field of electronic devices automatically, is specifically related to a kind of electric motor type transmission relay.
Background technology
Relay is a kind of electric control device; be when the variation of input variable (energizing quantity) reaches the regulation requirement; in electric output circuit, make controlled volume that a kind of electrical equipment that predetermined step changes takes place; in circuit, play effects such as automatic adjusting, safeguard protection, change-over circuit because of it, become a kind of electronic devices and components of automation field extensive use.Wherein, in intelligent grid, often adopt magnetic latching relay to control automatically.Magnetic latching relay is a kind of under the effect of control signal, utilizes the relative motion on/off circuit of solenoid and permanent magnet, at the control element of control signal disappearance back contact state before still inhibit signal disappears.What it mainly relied on permanent magnet is used for being switched on or switched off of latching relay, but the force limited because of permanent magnet, so present magnetic latching relay is under the strong magnetic environment of 200mT, can not finish normal circuit conversion, serious even can make the generation state conversion of permanent magnet own because of moving of high-intensity magnetic field source.And the magnetic latching relay contact presses indirectly that power is little, and contact resistance is big, the contact temperature rise, and the anti-vibration ability is relatively poor, and unstable properties makes the magnetic latching relay switch have the risk of easily burning the contact in intelligent grid uses.
The patent No. is that the Chinese patent of ZL200920135225.2 discloses a kind of " powerful mechanical relay ", comprise drive unit and the electrode that links to each other with drive unit, wherein electrode includes moving electrode and stationary electrode, the reduction gearing mechanism that drive unit includes direct current machine and links to each other with moving electrode with direct current machine.The disclosed relay of patent document, though finish switch motion by adopting motor driver directly to drive electrode, avoided magnetic latching relay be subjected to strong magnetic environment influence can't operate as normal deficiency, but the suffered impulsive force of driving mechanism is bigger in change action, thereby influences the useful life of relay.
The utility model content
The purpose of this utility model is to overcome weak point of the prior art, and a kind of electric motor type transmission relay that increases the service life is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of electric motor type transmission relay, comprise pedestal, drive unit and load on off mechanism, wherein drive unit comprises direct current machine, gear train and drive rod, the load on off mechanism comprises moving plate assembly and still assembly, described electric motor type transmission relay also comprises push card, described drive rod is flexible ripping bar, push card is connected between the moving plate assembly of the flexible ripping bar of drive unit and load on off mechanism, one end of push card is connected for flexible the promotion with the flexible ripping bar of drive unit, and the other end is connected for flexible the promotion with the moving plate assembly of load on off mechanism.
Preferably, described flexible ripping bar is made up of the elastic sheet metal that sector gear and an end are attached thereto, one end of the other end of described elastic sheet metal and push card connects for the active card load, and described sector gear has a rotating shaft, and described rotating shaft is fixedlyed connected with pedestal.
Concrete, have on the other end of described elastic sheet metal two respectively before and after the hooks that form of bendings, described hook snaps in the draw-in groove that the push card corresponding end is complementary.
Preferably, described moving plate assembly comprises movable contact spring and lead-out tablet, and an end of described movable contact spring and lead-out tablet riveted joint also are fixed on the pedestal, and the other end is connected for clamping with the other end of push card.
Concrete, described still assembly comprises quiet conducting strip, this quiet conducting strip and described lead-out tablet are with respect to pedestal all vertically upward.
More specifically, described quiet conducting strip, lead-out tablet are that interference fit is fixed or put glue and fixedlys connected with pedestal respectively.
As further improvement, described push card is provided with one and connects guide vane end stop and disconnect guide vane end stop.
As further improvement, under the effect of identical power, the deformation quantity of elastic sheet metal is little than the deformation quantity of the end that contacts with push card on the movable contact spring on the described flexible ripping bar.By this technical scheme to guarantee when the positive pulse electric current finishes, the quiet conducting strip of the movable contact spring of moving plate assembly and still assembly continues to keep on-state, when the negative pulse electric current finished, the quiet conducting strip of the movable contact spring of moving plate assembly and still assembly continued to keep off-state.
Concrete, the modulus of elasticity of the modular ratio movable contact spring of elastic sheet metal is big.
As concrete technical scheme, described gear train comprise worm screw, with the turbine of worm engaging, with first gear of turbine one and with second gear of first gear engagement, described second gear meshes with flexible ripping bar.
The utility model has the following advantages and beneficial effect compared to existing technology:
(1) the utility model arranges push card, and flexibility is carried out with flexible ripping bar, moving plate assembly respectively in the two ends of push card promote to be connected, this flexible action force that promotes to connect the power that produces by self-deformation can slow-operating relay, reduce the suffered impulsive force of drive unit, improve the useful life of relay.
(2) the connection guide vane end stop that arranges in push card of the utility model with disconnect guide vane end stop, guarantee that push card carries out work in the distance in safety.
(3) formed by the elastic sheet metal that sector gear and an end are attached thereto owing to flexible ripping bar, so in the time of can't moving again when connecting guide vane end stop arrival spacing zone or disconnection guide vane end stop arrival spacing zone, sector gear can skid, guarantee that like this direct current machine can remain in operation, and has relaxed the requirement to the drive current width.
(4) deformation quantity of elastic sheet metal is little than the deformation quantity of the end that contacts with push card on the movable contact spring on the flexible ripping bar of the utility model, and so design can produce following beneficial effect:
When relay is in off-state, direct current machine applies the positive pulse electric current, push card moves upward, and deformation takes place earlier movable contact spring, behind the flexible ripping bar deformation takes place, because the deformation quantity of the end that movable contact spring contacts with push card is greater than the deformation quantity of elastic sheet metal on the flexible ripping bar, so when the positive pulse electric current finishes, even sector gear is non-slip, can guarantee that still the moving plate assembly fully contacts with the still assembly, make relay can continue to keep closure state, improved the reliability of relay;
When relay is in closure state, direct current machine applies the negative pulse electric current, push card moves downward, movable contact spring and quiet conducting strip are disconnected, because under identical thrust, the deformation of the elastic sheet metal of flexible ripping bar is littler than the deformation quantity of the end that movable contact spring contacts with push card, so the elastic sheet metal of flexible ripping bar recovers deformation earlier, then after the end recovery deformation that movable contact spring contacts with push card, the pulling movable contact spring separates with quiet conducting strip, arrive stop zone until disconnecting guide vane end stop, so the elastic sheet metal generation reverse strain of flexible ripping bar at this moment is when the negative pulse electric current finishes, even sector gear is non-slip, can guarantee that still moving plate assembly and still assembly fully separate, make relay can continue to keep off-state, improve the reliability of relay.
Description of drawings
Fig. 1 is internal structure vertical view under the utility model electric motor type transmission relay closes state.
Fig. 2 is the partial structurtes A enlarged drawing of 1:2 in proportion of Fig. 1.
Fig. 3 is flexible ripping bar structural representation.
Fig. 4 is the push card structural representation.
Fig. 5 is that the flexibility of flexible ripping bar, push card and moving plate assembly promotes connection diagram.
Fig. 6 is internal structure vertical view under the utility model electric motor type transmission relay off-state.
Fig. 7 is the partial structurtes B enlarged drawing of 1:2 in proportion of Fig. 6.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but the execution mode that the utility model is created is not limited thereto.
Extremely shown in Figure 7 as Fig. 1, a kind of electric motor type transmission relay, comprise pedestal 1, drive unit and load on off mechanism, wherein drive unit comprises direct current machine 2, gear train 3 and flexible ripping bar 4, the load on off mechanism comprises moving plate assembly 5 and still assembly 6, this electric motor type transmission relay also comprises a push card 7, push card 7 is connected between flexible ripping bar 4 and the moving plate assembly 5, one end of push card 7 is connected for flexible the promotion with flexible ripping bar 4, and the other end is similarly flexible the promotion with moving plate assembly 5 and is connected.Wherein:
Still assembly 6 comprises a quiet conducting strip 61, and in order to guarantee that under the relay closes state quiet conducting strip 61 fully is communicated with movable contact spring 51, quiet conducting strip 61 and lead-out tablet 51 make the two parallel with respect to pedestal all vertically upward; Quiet conducting strip 61 is fixed for interference fit with pedestal 1, but also choice point glue is fixedly connected;
The direct current machine 2 of driving mechanism is installed in the lower right corner of relay, also can be arranged on other positions, and as the lower left corner, the direction of direct current machine 2 rotors is parallel with lead-out tablet 52 directions;
The gear train 3 of driving mechanism comprises: worm screw 31, with the turbine 32 of worm screw 31 engagement, with first gear 33 of turbine 32 one, with 33 engagements of first gear second gear 34, second gear 34 is with flexible ripping bar 4 engagements and form the function of skidding.Turbine 32 is connected, fixes with first rotating shaft with first gear 33, and second gear 34 is fixed with second rotating shaft.
The concrete operation principle of the utility model electric motor type transmission relay is as follows:
When relay is in off-state, direct current machine 2 applies the positive pulse electric current, and direct current machine 2 drives worm screw 31 just to be changeed, and promotes turbine 32, first gear 33, second gear 34 and flexible ripping bar 4 successively, flexible ripping bar 4 promotes push card 7 and moves upward, and moving plate assembly 5 and still assembly 6 are connected.Because carrying out flexibility with flexible ripping bar 4, moving plate assembly 5 respectively, the two ends of push card 7 promote to be connected, this active force that flexibly connects the power that produces by self-deformation can the slow-operating relay action, reduce the suffered impulsive force of drive unit, improve the useful life of relay; After moving plate assembly 5 and 6 connections of still assembly, because connecting guide vane end stop 71 is blocked by block, make the movable contact spring 51 on the moving plate assembly 5 be defined, can't carry out displacement again, this moment, moving plate assembly 5 was reliably connected with still assembly 6, and flexible ripping bar 4 can continue deformation, skidded until sector gear 41 and second gear 34 and no longer meshed, guarantee that like this direct current machine can remain in operation, and has relaxed the requirement to the drive current width; In addition, because the deformation quantity of elastic sheet metal 42 is little than the deformation quantity of the end 511 that contacts with push card 7 on the movable contact spring 51 on the flexible ripping bar 4, so when push card 7 moves upward, deformation takes place earlier in movable contact spring 51, and deformation takes place in flexible ripping bar 4 backs, when the positive pulse electric current finishes, even sector gear 41 is non-slip, can guarantee that still moving plate assembly 5 fully contacts with still assembly 6, make relay can continue to keep closure state, improve the reliability of relay;
When relay is in on-state, direct current machine 2 applies the negative pulse electric current, and direct current machine 2 drives worm screw 31 counter-rotatings, promotes turbine 32, first gear 33, second gear 34 and flexible ripping bar 4 successively, flexible ripping bar 4 promotes push card 7 and moves downward, and moving plate assembly 5 and still assembly 6 are disconnected.Because carrying out flexibility with flexible ripping bar 4, moving plate assembly 5 respectively, the two ends of push card 7 promote to be connected, this active force that flexibly connects the power that produces by self-deformation can the slow-operating relay action, reduce the suffered impulsive force of drive unit, improve the useful life of relay; After moving plate assembly 5 and 6 disconnections of still assembly, because disconnecting guide vane end stop 72 is blocked by block, make the movable contact spring 51 on the moving plate assembly 5 be defined, can't carry out displacement again, this moment, moving plate assembly and still assembly 6 reliably disconnected, and flexible ripping bar 4 can the continuation deformation, skidded until sector gear 41 and second gear 34 and no longer meshed, guarantee that like this direct current machine can remain in operation, and has relaxed the requirement to the drive current width; In addition, because the modulus of elasticity of the modular ratio movable contact spring 51 of elastic sheet metal 42 is big, so the elastic sheet metal 42 of flexible ripping bar 4 recovers deformation earlier, then after the end 511 recovery deformation that movable contact spring contacts with push card, pulling movable contact spring 51 separates with quiet conducting strip 61, arrive stop zone until disconnecting guide vane end stop 72, this moment, reverse strain took place in the elastic sheet metal 42 of flexible ripping bar, so when the negative pulse electric current finishes, even sector gear 41 is non-slip, can guarantee that still moving plate assembly 5 and still assembly 6 fully separate, make relay can continue to keep off-state, improve the reliability of relay.
The above embodiment has only expressed execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art not breaking away under the prerequisite of the present utility model, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (8)
1. electric motor type transmission relay, comprise pedestal, drive unit and load on off mechanism, wherein drive unit comprises direct current machine, gear train and drive rod, the load on off mechanism comprises moving plate assembly and still assembly, it is characterized in that: described electric motor type transmission relay also comprises push card, described drive rod is flexible ripping bar, push card is connected between the moving plate assembly of the flexible ripping bar of drive unit and load on off mechanism, one end of push card is connected for flexible the promotion with the flexible ripping bar of drive unit, and the other end is connected for flexible the promotion with the moving plate assembly of load on off mechanism.
2. at electric motor type transmission relay according to claim 1, it is characterized in that: described flexible ripping bar is made up of the elastic sheet metal that sector gear and an end are attached thereto, one end of the other end of described elastic sheet metal and push card connects for the active card load, described sector gear has a rotating shaft, and described rotating shaft is fixedlyed connected with pedestal.
3. electric motor type transmission relay according to claim 2 is characterized in that: have on the other end of described elastic sheet metal two respectively before and after the hooks that form of bendings, described hook snaps in the draw-in groove that the push card corresponding end is complementary.
4. according to claim 2 or 3 described electric motor type transmission relays, it is characterized in that: described moving plate assembly comprises movable contact spring and lead-out tablet, one end of described movable contact spring and lead-out tablet riveted joint also are fixed on the pedestal, and the other end is connected for clamping with the other end of push card.
5. electric motor type transmission relay according to claim 3, it is characterized in that: described still assembly comprises quiet conducting strip, this quiet conducting strip and described lead-out tablet are with respect to pedestal all vertically upward.
6. electric motor type transmission relay according to claim 5 is characterized in that: described quiet conducting strip, lead-out tablet are that interference fit is fixed or put glue and fixedlys connected with pedestal respectively.
7. electric motor type transmission relay according to claim 1 is characterized in that: described push card is provided with one and connects guide vane end stop and disconnect guide vane end stop.
8. electric motor type transmission relay according to claim 1, it is characterized in that: described gear train comprise worm screw, with the turbine of worm engaging, with first gear of turbine one and with second gear of first gear engagement, described second gear meshes with flexible ripping bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320132015 CN203192712U (en) | 2013-03-21 | 2013-03-21 | Motor-style drive relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320132015 CN203192712U (en) | 2013-03-21 | 2013-03-21 | Motor-style drive relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203192712U true CN203192712U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320132015 Expired - Lifetime CN203192712U (en) | 2013-03-21 | 2013-03-21 | Motor-style drive relay |
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| Country | Link |
|---|---|
| CN (1) | CN203192712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895456A (en) * | 2016-05-17 | 2016-08-24 | 浙江格蕾特电器股份有限公司 | Motor type relay |
-
2013
- 2013-03-21 CN CN 201320132015 patent/CN203192712U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895456A (en) * | 2016-05-17 | 2016-08-24 | 浙江格蕾特电器股份有限公司 | Motor type relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160603 Address after: 516008 Guangdong city of Huizhou province goose Ridge Road No. 110 building 117th room B1201 and Jin Ge Patentee after: HUIZHOU EVE TECHNOLOGY Co.,Ltd. Address before: Seven road 516001 in Guangdong province Huizhou City Zhongkai high tech Zone Huifeng No. 36 Patentee before: EVE ENERGY Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 516003 Guangdong Province, Huizhou city Huicheng District Jiangbei two Road No. two, decimating the Laguna The Heart of Pai 18 floor of No. 03 Patentee after: HUIZHOU EVE HOLDING Co.,Ltd. Address before: 516008 Guangdong city of Huizhou province goose Ridge Road No. 110 building 117th room B1201 and Jin Ge Patentee before: HUIZHOU EVE TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |