CN109637893A - Magnetic latching relay control system and magnetic latching relay system - Google Patents
Magnetic latching relay control system and magnetic latching relay system Download PDFInfo
- Publication number
- CN109637893A CN109637893A CN201811364749.9A CN201811364749A CN109637893A CN 109637893 A CN109637893 A CN 109637893A CN 201811364749 A CN201811364749 A CN 201811364749A CN 109637893 A CN109637893 A CN 109637893A
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- circuit
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- triggering signal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
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Abstract
The application provides a kind of magnetic latching relay control system and magnetic latching relay system that manual and Program Mode is compatible.Magnetic latching relay control system includes: that manual mode powers on pulse triggering signal generative circuit, Program Mode powers on pulse triggering signal input circuit, mode control circuit and powers on pulse generation circuit.Manual mode powers on pulse triggering signal generative circuit and powers on pulse triggering signal manually by manually controlling generation and will power on pulse triggering signal input pattern control circuit manually.Program Mode powers on pulse triggering signal input circuit and program-controlled powers on pulse triggering signal input pattern control circuit for external.Mode control circuit according to control model gating power on manually pulse triggering signal or it is external it is program-controlled power on pulse triggering signal and export power on pulse triggering signal accordingly.It powers on pulse generation circuit to be electrically connected with mode control circuit, according to the upper electric pulse for powering on pulse triggering signal generation and being used for magnetic latching relay from mode control circuit.
Description
Technical field
The present invention relates to magnetic latching relays, in particular to the compatible magnetic latching relay of manual and Program Mode
Control system and magnetic latching relay system including the control system.
Background technique
Magnetic latching relay is a kind of automatic switch, can carry out turn on automatically and cutting to circuit.Magnetic latching relay
The folding condition of contact is kept by magnetic force caused by permanent magnet, and the conversion of switch state powers on arteries and veins by one fixed width
Punching or break impulse are completed.It powers on impulse action and powers on movement in the completion of upper electric coil, it is complete that break impulse acts on power-off coil
At de-energizing actions.When contact is in hold mode, coil needs not continue to be powered, only by permanent magnet magnetic force can maintain after
The state of electric appliance is constant.Magnetic latching relay is commonly used in the power input interface of product, passes through external magnetic latching relay control
System processed provides upper electric pulse or break impulse.
Magnetic latching relay control system is generally controlled using manual or stored program control system.The magnetic of manual mode keep after
Electrical control system generally sends upper electric pulse or break impulse by key mode.Manual mode is answered during production debugging
With more, advantage is can be triggered at any time, the disadvantage is that needing artificial participate in.
The magnetic latching relay control system of Program Mode generally sends upper electric pulse by way of control software triggering
Or break impulse, product for a long time, periodically test during using more, such as test items such as temperature cycling test
Mesh.The advantages of Program Mode is not need manually to participate in, and can be carried out automatically controlling.The disadvantage is that needing to build software platform progress
Control cannot use under conditions of no software platform is supported.
The single-mode magnetic latching relay control system of manual mode or Program Mode, in product development use process
Tend not to combine the requirement of automatic test and convenient application.
Summary of the invention
The application provides a kind of magnetic latching relay control system that manual and Program Mode is compatible, is able to solve manual mould
Formula or the single-mode magnetic latching relay control system of Program Mode cannot combine certainly in product development use process
The problem of dynamic test and convenient application.
According to an aspect of the present invention, a kind of magnetic latching relay control system that manual and Program Mode is compatible is provided,
It include: that manual mode powers on pulse triggering signal generative circuit, Program Mode powers on pulse triggering signal input circuit, mode control
Circuit processed and power on pulse generation circuit, in which:
Manual mode powers on pulse triggering signal generative circuit and is electrically connected with mode control circuit, for by manually controlling
It generates and powers on pulse triggering signal manually and pulse triggering signal input pattern control circuit will be powered on manually；
Program Mode powers on pulse triggering signal input circuit and is electrically connected with mode control circuit, and being used for will be external program-controlled
Electric pulse trigger signal input pattern control circuit；
Mode control circuit have two kinds of control models of manual mode and Program Mode, for according to two kinds of control models it
One gating power on manually pulse triggering signal or it is external it is program-controlled power on pulse triggering signal, and export and power on pulse-triggered accordingly
Signal；
It powers on pulse generation circuit to be electrically connected with mode control circuit, for powering on arteries and veins according to from mode control circuit
It rushes trigger signal and generates the upper electric pulse for being used for magnetic latching relay.
According to some embodiments, powers on pulse generation circuit and be configured to after being powered on pulse triggering signal triggering, according to
Pulse width required for magnetic latching relay powers on and voltage generate upper electric pulse.
According to some embodiments, magnetic latching relay control system further include: manual mode break impulse trigger signal is raw
At circuit, Program Mode break impulse trigger signal input circuit and break impulse generative circuit, in which:
Manual mode break impulse trigger signal generative circuit is electrically connected with mode control circuit, for by manually controlling
Generate manual break impulse trigger signal and by manual break impulse trigger signal input pattern control circuit；
Program Mode break impulse trigger signal input circuit is electrically connected with mode control circuit, and being used for will be external program-controlled disconnected
Electric pulse trigger signal input pattern control circuit；
Mode control circuit is also used to gate manual break impulse trigger signal or outside according to one of two kinds of control models
Program-controlled break impulse trigger signal, and export corresponding break impulse trigger signal；
Break impulse generative circuit is electrically connected with mode control circuit, for according to the power-off arteries and veins from mode control circuit
It rushes trigger signal and generates the break impulse for being used for magnetic latching relay.
According to some embodiments, break impulse generative circuit is configured to after being powered down pulse triggering signal triggering, according to
Pulse width required for magnetic latching relay powers off and voltage generate break impulse.
According to some embodiments, mode control circuit includes:
Pulse triggering signal gating circuit is powered on, for powering on pulse-triggered manually according to one of two kinds of control models gating
Signal external program-controlled powers on pulse triggering signal.
According to some embodiments, mode control circuit further include:
Power on pulse triggering signal filter circuit, for from power on pulse triggering signal gating circuit manually power on
Pulse triggering signal or it is external it is program-controlled power on pulse triggering signal and be filtered and export power on pulse triggering signal.
According to some embodiments, mode control circuit includes:
Break impulse trigger signal gating circuit is triggered for gating manual break impulse according to one of two kinds of control models
Signal or external program-controlled break impulse trigger signal.
According to some embodiments, mode control circuit further include:
Break impulse trigger signal filter circuit, for the manual power-off from break impulse trigger signal gating circuit
Pulse triggering signal or external program-controlled break impulse trigger signal are filtered and export break impulse trigger signal.
According to some embodiments, mode control circuit further include:
Mode setting circuit, the control model for Setting pattern control circuit.
According to another aspect of the present invention, a kind of magnetic latching relay system is provided, including aforementioned any magnetic keeps relay
Device control system.
According to embodiments of the present invention, using mode control circuit, the setting of manual mode, Program Mode, compatibility two are carried out
Control model is planted, mode setting is carried out according to demand in use process, solves the single-mode of manual mode or Program Mode
Magnetic latching relay control system cannot combine asking for automatic test and convenient application in product development use process
Topic.
Detailed description of the invention
In the detailed description done referring to the drawings to non-limiting embodiment of the invention, other of the invention are special
Property and advantage will become more apparent upon, in which:
Fig. 1 shows showing for the compatible magnetic latching relay control system of manual and Program Mode according to an embodiment of the present invention
It is intended to；
Fig. 2 shows the module diagrams of mode control circuit according to an embodiment of the present invention.
Description of symbols:
1 manual mode powers on pulse triggering signal generative circuit
2 Program Modes power on pulse triggering signal input circuit
3 manual mode break impulse trigger signal generative circuits
4 Program Mode break impulse trigger signal input circuits
5 mode control circuits
6 power on 7 break impulse generative circuit of pulse generation circuit
9 break impulse output circuit of pulse output circuit on 8
10, which power on pulse triggering signal gating circuit 11, powers on pulse triggering signal filter circuit
12 break impulse trigger signal gating circuit, 13 break impulse trigger signal filter circuit
14 mode setting circuits
51,52,53,54,55,56 interface
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
Embodiment of stating that the specific embodiments are only for explaining the present invention, rather than limitation of the present invention.In addition it should be noted that, in order to
Convenient for description, the part closely related with embodiment is only shown in attached drawing.Embodiment can be implemented in a variety of forms, without should
It is considered limited to form described herein.These embodiments are provided so that present disclosure more comprehensively with it is complete
It is whole, and design of the invention is comprehensively communicated to those skilled in the art.In figure identical appended drawing reference indicate it is identical or
Similar part.
In addition, described feature, structure or characteristic can be incorporated in one or more in fact by any suitable means
It applies in example.In the following description, many details are provided to provide and fully understand to embodiment.However, this field
Technical staff, which will realize, can practice technical solution of the present invention without one or more in specific detail, Huo Zheke
To use other alternatives.It is appreciated that block diagram shown in the drawings not necessarily must be opposite with physically separate entity
It answers.
Fig. 1 shows showing for the compatible magnetic latching relay control system of manual and Program Mode according to an embodiment of the present invention
It is intended to.
As shown in Figure 1, the magnetic latching relay control system that manual and Program Mode according to an embodiment of the present invention is compatible
It include: that manual mode powers on pulse triggering signal generative circuit 1, Program Mode powers on pulse triggering signal input circuit 2, mode
Control circuit 5 and power on pulse generation circuit 6.
Manual mode powers on pulse triggering signal generative circuit 1 and is electrically connected with mode control circuit 5, for by controlling manually
System, which generates, to be powered on pulse triggering signal manually and will power on pulse triggering signal input pattern control circuit 5 manually.
Program Mode powers on pulse triggering signal input circuit 2 and is electrically connected with mode control circuit 5, and being used for will be external program-controlled
Power on pulse triggering signal input pattern control circuit 5.
Mode control circuit 5 has two kinds of control models of manual mode and Program Mode, for according to two kinds of control models
One of gating power on manually pulse triggering signal or it is external it is program-controlled power on pulse triggering signal, and export upper electric pulse touching accordingly
It signals.
It powers on pulse generation circuit 6 to be electrically connected with mode control circuit 5, for according to from mode control circuit 5
Electric pulse trigger signal generates the upper electric pulse for being used for magnetic latching relay.
According to some embodiments, powers on pulse generation circuit 6 and be configured to after being powered on pulse triggering signal triggering, according to
Pulse width required for magnetic latching relay powers on and voltage generate upper electric pulse.
Such as Fig. 2? [here or Fig. 1? ] shown in, according to some embodiments, magnetic latching relay control system further include:
Manual mode break impulse trigger signal generative circuit 3, Program Mode break impulse trigger signal input circuit 4 and power-off arteries and veins
Rush generative circuit 7.
Manual mode break impulse trigger signal generative circuit 3 is electrically connected with mode control circuit 5, for by controlling manually
System generates manual break impulse trigger signal and by manual break impulse trigger signal input pattern control circuit 5.
Program Mode break impulse trigger signal input circuit 4 is electrically connected with mode control circuit 5, and being used for will be external program-controlled
Break impulse trigger signal input pattern control circuit 5.
Mode control circuit 5 is also used to gate manual break impulse trigger signal or outside according to one of two kinds of control models
Program-controlled break impulse trigger signal, and export corresponding break impulse trigger signal.
Break impulse generative circuit 7 is electrically connected with mode control circuit 5, for according to disconnected from mode control circuit 5
Electric pulse trigger signal generates the break impulse for being used for magnetic latching relay.
According to some embodiments, break impulse generative circuit 7 is configured to after being powered down pulse triggering signal triggering, according to
Pulse width required for magnetic latching relay powers off and voltage generate break impulse.
According to some embodiments, as shown in Figure 1, powering on the output end and upper pulse output circuit 8 of pulse generation circuit 6
The connection of input end signal line, the input end signal line of the output end of break impulse generative circuit 7 and break impulse output circuit 9
Connection.
Fig. 2 shows the module diagrams of mode control circuit according to an embodiment of the present invention.
As shown in Fig. 2, mode control circuit 5 according to an embodiment of the present invention includes powering on pulse triggering signal gating circuit
10, believe for powering on the program-controlled pulse-triggered that powers on of pulse triggering signal or outside manually according to one of two kinds of control models gating
Number.
According to some embodiments, as shown in Fig. 2, mode control circuit 5 further includes powering on pulse triggering signal filter circuit
11, for from powering on powering on pulse triggering signal manually or external program-controlled powering on arteries and veins for pulse triggering signal gating circuit 10
It rushes trigger signal and is filtered and exports and power on pulse triggering signal.
According to some embodiments, as shown in Fig. 2, mode control circuit 5 includes break impulse trigger signal gating circuit 12,
For gating manual break impulse trigger signal or external program-controlled break impulse trigger signal according to one of two kinds of control models.
According to some embodiments, as shown in Fig. 2, mode control circuit 5 further includes break impulse trigger signal filter circuit
13, for the program-controlled power-off arteries and veins of manual break impulse trigger signal or outside from break impulse trigger signal gating circuit 12
Trigger signal is rushed to be filtered and export break impulse trigger signal.
According to some embodiments, as shown in Fig. 2, mode control circuit 5 further includes mode setting circuit 14, for mould to be arranged
The control model of formula control circuit 5.
It is used for according to some embodiments as shown in Fig. 2, mode control circuit 5 includes interface 51,52,53,54,55,56
Manual mode powers on pulse triggering signal generative circuit 1, Program Mode powers on pulse triggering signal input circuit 2, hand for electrical connection
Dynamic model formula break impulse trigger signal generative circuit 3, Program Mode break impulse trigger signal input circuit 4, upper electric pulse are raw
At circuit 6 and break impulse generative circuit 7.
According to some embodiments, as illustrated in fig. 1 and 2, manual mode powers on the output end of pulse triggering signal generative circuit 1
Connect with the input end signal line of mode control circuit 5, Program Mode power on the output end of pulse triggering signal input circuit 2 with
The input end signal line of mode control circuit 5 connects.The output end and mould of manual mode break impulse trigger signal generative circuit 3
The input end signal line of formula control circuit 5 connects, the output end and mode of Program Mode break impulse trigger signal input circuit 4
The input end signal line of control circuit 5 connects.The output end of mode control circuit 5 and the input terminal for powering on pulse generation circuit 6
Signal wire connection, the output end of mode control circuit 5 are connect with the input end signal line of break impulse generative circuit 7.Power on arteries and veins
The output end for rushing generative circuit 6 is connect with the input end signal line of upper pulse output circuit 8, break impulse generative circuit 7
Output end is connect with the input end signal line of break impulse output circuit 9.
Example embodiment according to the present invention when manual mode carries out electric control, sets manual for mode control circuit 5
Mode powers on the generation of pulse triggering signal generative circuit 1 using manual mode and powers on pulse triggering signal, through mode control circuit
5 are sent to and power on pulse generation circuit 6.
According to some embodiments, the pulse-triggered that powers on that manual mode powers on the generation of pulse triggering signal generative circuit 1 is believed
Number, pulse triggering signal is powered on for Transistor-Transistor Logic level form.Power on pulse generation circuit 6 be powered on pulse triggering signal triggering after,
Required pulse width, the upper electric pulse of voltage generation are powered on according to magnetic latching relay, then by upper pulse output circuit 8
It exports to magnetic latching relay.
Example embodiment according to the present invention when Program Mode carries out electric control, sets program-controlled for mode control circuit 5
Mode powers on pulse triggering signal input circuit 2 using Program Mode, by the external program-controlled pulse triggering signal that powers on through mode control
Circuit 5 processed, which is sent to, powers on pulse generation circuit 6.
According to some embodiments, the pulse-triggered that powers on that Program Mode powers on the generation of pulse triggering signal generative circuit 2 is believed
Number, it is the signal of Transistor-Transistor Logic level form.Power on pulse generation circuit 6 be powered on pulse triggering signal triggering after, according to magnetic keep after
Electric appliance powers on required pulse width, voltage generates upper electric pulse, is then exported by upper pulse output circuit 8 and is kept to magnetic
Relay.
Example embodiment according to the present invention sets manual for mode control circuit 5 when manual mode carries out power-off control
Mode generates break impulse trigger signal using manual mode break impulse trigger signal generative circuit 3, through mode control circuit
5 are sent to break impulse generative circuit 7.
According to some embodiments, the break impulse that manual mode break impulse trigger signal generative circuit 3 generates triggers letter
Number, it is the signal of Transistor-Transistor Logic level form.Break impulse generative circuit 7 be powered down pulse triggering signal triggering after, according to magnetic keep after
Pulse width required for appliance cut-off, voltage generate break impulse, are then exported by break impulse output circuit 9 and are kept to magnetic
Relay.
Example embodiment according to the present invention sets program-controlled for mode control circuit 5 when Program Mode carries out power-off control
Mode, using Program Mode break impulse trigger signal input circuit 4, by external program-controlled break impulse trigger signal through mode control
Circuit 5 processed is sent to break impulse generative circuit 7.
According to some embodiments, external program-controlled break impulse trigger signal is the signal of Transistor-Transistor Logic level form.Break impulse is raw
After being powered down pulse triggering signal triggering at circuit 7, pulse width required for powering off according to magnetic latching relay, voltage are generated
Then break impulse is exported by break impulse output circuit 9 to magnetic latching relay.
According to some embodiments, the application also provides a kind of magnetic latching relay system comprising implements according to the present invention
The magnetic latching relay control system of example.
Those skilled in the art, which can be used, is embodied in various ways trigger signal generative circuit according to an embodiment of the present invention, defeated
Enter circuit, gating circuit, filter circuit, pulse generation circuit, impulse output circuit etc., the present invention is without limitation.Due to
Those skilled in the art's interlock circuit easy to accomplish, therefore the description to particular circuit configurations is omitted herein.
Conception and embodiment according to the present invention carry out the setting of manual mode, Program Mode using mode control circuit,
Compatible two kinds of control models.
According to embodiments of the present invention, mode setting is carried out in use process according to demand, solves manual mode or program-controlled
The single-mode magnetic latching relay control system of mode cannot be combined in product development use process automatic test and
The problem of convenient application.
The foregoing describe the technical concept of the invention and according to the present invention embodiment of technical concept.Those skilled in the art
After reading specification and practicing embodiment given here, it will readily occur to other embodiments of the invention.The application purport
Covering any variations, uses, or adaptations of the invention.These variations, uses, or adaptations follow this hair
Bright general principle and including the common knowledge or conventional techniques in the unaccounted this field of the present invention.Specification and
Embodiment is exemplary only, and protection scope of the present invention is defined by the claims.It should be appreciated that the invention is not limited to upper
The content that face has been described and is shown in the accompanying drawings, those skilled in the art can not depart from range disclosed in the present application into
Row various modifications and variations.
Claims (10)
1. a kind of magnetic latching relay control system that manual and Program Mode is compatible characterized by comprising on manual mode
Electric pulse trigger signal generative circuit (1), Program Mode power on pulse triggering signal input circuit (2), mode control circuit (5)
And power on pulse generation circuit (6), in which:
The manual mode powers on pulse triggering signal generative circuit (1) and is electrically connected with the mode control circuit (5), for leading to
It crosses to manually control to generate and powers on pulse triggering signal manually and the pulse triggering signal that powers on manually is inputted into the mode control
Circuit (5) processed；
The Program Mode powers on pulse triggering signal input circuit (2) and is electrically connected with the mode control circuit (5), and being used for will
The external program-controlled pulse triggering signal that powers on inputs the mode control circuit (5)；
The mode control circuit (5) has two kinds of control models of manual mode and Program Mode, for according to described two controls
One of molding formula gating is described to power on pulse triggering signal or the outside is program-controlled powers on pulse triggering signal, and output phase manually
That answers powers on pulse triggering signal；
The pulse generation circuit (6) that powers on is electrically connected with the mode control circuit (5), for according to from the mode control
The pulse triggering signal that powers on of circuit (5) processed generates the upper electric pulse for being used for magnetic latching relay.
2. magnetic latching relay control system as described in claim 1, which is characterized in that described to power on pulse generation circuit
(6) be configured to by it is described power on pulse triggering signal triggering after, required pulse width is powered on according to magnetic latching relay
The upper electric pulse is generated with voltage.
3. magnetic latching relay control system as described in claim 1, which is characterized in that further include: manual mode powers off arteries and veins
Rush trigger signal generative circuit (3), Program Mode break impulse trigger signal input circuit (4) and break impulse generative circuit
(7), in which:
The manual mode break impulse trigger signal generative circuit (3) is electrically connected with the mode control circuit (5), for leading to
It crosses to manually control and generates manual break impulse trigger signal and the manual break impulse trigger signal is inputted into the mode control
Circuit (5) processed；
The Program Mode break impulse trigger signal input circuit (4) is electrically connected with the mode control circuit (5), and being used for will
External program-controlled break impulse trigger signal inputs the mode control circuit (5)；
The mode control circuit (5) is also used to gate the manual break impulse triggering according to one of described two control models
The program-controlled break impulse trigger signal of signal or the outside, and export corresponding break impulse trigger signal；
The break impulse generative circuit (7) is electrically connected with the mode control circuit (5), for according to from the mode control
The break impulse trigger signal of circuit (5) processed generates the break impulse for being used for magnetic latching relay.
4. magnetic latching relay control system as claimed in claim 3, which is characterized in that the break impulse generative circuit
(7) it is configured to after by break impulse trigger signal triggering, pulse width required for being powered off according to magnetic latching relay
The break impulse is generated with voltage.
5. magnetic latching relay control system as described in claim 1, which is characterized in that mode control circuit (5) packet
It includes:
Pulse triggering signal gating circuit (10) are powered on, for powering on manually according to one of described two control models gating is described
The pulse triggering signal or outside is program-controlled powers on pulse triggering signal.
6. magnetic latching relay control system as claimed in claim 5, which is characterized in that the mode control circuit (5) is also
Include:
Pulse triggering signal filter circuit (11) are powered on, for powering on pulse triggering signal gating circuit (10) to from described
The program-controlled pulse triggering signal that powers on of pulse triggering signal or the outside that powers on manually is filtered and exports described power on
Pulse triggering signal.
7. magnetic latching relay control system as claimed in claim 3, which is characterized in that mode control circuit (5) packet
It includes:
Break impulse trigger signal gating circuit (12), for gating the manual power-off according to one of described two control models
The program-controlled break impulse trigger signal of pulse triggering signal or the outside.
8. magnetic latching relay control system as claimed in claim 7, which is characterized in that the mode control circuit (5) is also
Include:
Break impulse trigger signal filter circuit (13), for from the break impulse trigger signal gating circuit (12)
The program-controlled break impulse trigger signal of the manual break impulse trigger signal or the outside is filtered and exports the power-off
Pulse triggering signal.
9. magnetic latching relay control system as described in claim 1, which is characterized in that the mode control circuit (5) is also
Include:
Mode setting circuit (14), for the control model of the mode control circuit (5) to be arranged.
10. a kind of magnetic latching relay system, which is characterized in that kept including magnetic as claimed in any one of claims 1-9 wherein
Relay control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364749.9A CN109637893B (en) | 2018-11-16 | 2018-11-16 | Magnetic latching relay control system and magnetic latching relay system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364749.9A CN109637893B (en) | 2018-11-16 | 2018-11-16 | Magnetic latching relay control system and magnetic latching relay system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637893A true CN109637893A (en) | 2019-04-16 |
| CN109637893B CN109637893B (en) | 2020-04-03 |
Family
ID=66068122
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811364749.9A Active CN109637893B (en) | 2018-11-16 | 2018-11-16 | Magnetic latching relay control system and magnetic latching relay system |
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| Country | Link |
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| CN (1) | CN109637893B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115933464A (en) * | 2022-11-23 | 2023-04-07 | 四川天邑康和通信股份有限公司 | Circuit working power consumption control system and method for multi-interface and multi-system complete machine |
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| EP0242635A2 (en) * | 1986-04-08 | 1987-10-28 | International Business Machines Corporation | Control signal profiler for multiple actuator assembly |
| EP0440498B1 (en) * | 1990-02-01 | 1996-04-24 | Eaton Corporation | Electrical contactor with controlled closure characteristic |
| CN2368153Y (en) * | 1999-02-03 | 2000-03-08 | 林李杰 | Self-holding energy-saving type ac. contactor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109637893B (en) | 2020-04-03 |
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