CN106978945A - A kind of electronic lock - Google Patents
A kind of electronic lock Download PDFInfo
- Publication number
- CN106978945A CN106978945A CN201710375339.3A CN201710375339A CN106978945A CN 106978945 A CN106978945 A CN 106978945A CN 201710375339 A CN201710375339 A CN 201710375339A CN 106978945 A CN106978945 A CN 106978945A
- Authority
- CN
- China
- Prior art keywords
- electronic lock
- lock
- hard contact
- lock core
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/005—Opening, closing of the circuit
Abstract
The present invention provides a kind of electronic lock, including：Lock core, including the hard contact positioned at the lock core front end and the internal circuit positioned at the lock core rear end；And protection device, between the hard contact and the internal circuit, wherein, when being correctly inserted into key, the protection device conducting so that connect the hard contact and the internal circuit.The present invention adds protection device between the hard contact and internal circuit of lock core; only when key is correctly inserted into; hard contact can just be turned on internal circuit, prevent key from can cause the problem of lock core is damaged with forceful electric power electric shock hard contact after extracting, so as to be played a protective role to lock core.
Description
Technical field
The present invention relates to lock field, in particular to a kind of electronic lock.
Background technology
With the development of society, electronic lock is used in the antitheft door of building owner more and more.The key of electronic lock and
Hard contact is left on lock core, is generally communicated between electronic lock and key by way of hard contact.
The external metallization contact of existing electronic lock cylinder is typically directly contacted with lock core internal circuit, is not protected inside lock core
Protection unit, can contact the electrode on lock core with forceful electric power after key extraction, cause lock core to burn, may seriously cause electronic lock
Failure, therefore there is very big potential safety hazard.
Therefore, it is necessary to a kind of new electronic lock be proposed, to solve existing technical problem.
The content of the invention
A series of concept of reduced forms is introduced in Summary, this will enter in embodiment part
One step is described in detail.The Summary of the present invention is not meant to attempt to limit technical scheme claimed
Key feature and essential features, the protection domain for attempting to determine technical scheme claimed is not meant that more.
In order to overcome the problem of presently, there are, the present invention provides a kind of electronic lock, including：
Lock core, including the hard contact positioned at the lock core front end and the internal circuit positioned at the lock core rear end；And
Protection device, between the hard contact and the internal circuit,
Wherein, when being correctly inserted into key, the protection device conducting so that connect the hard contact and the inside
Circuit.
In one embodiment of the invention, wherein the protection device includes：
Reset switch, it is arranged on inside the lock core, between the hard contact and the internal circuit；
Push rod, it is arranged on above the lock core, can be movable along the lock core；And
Flexible Reset body, it is engaged with the push rod, and the push rod can be promoted to move forward.
In one embodiment of the invention, it is characterised in that the reset switch includes Switch main body and button, works as institute
When stating button and being pressed into the Switch main body, the reset switch conducting so that the hard contact and the internal circuit
Set up electrical connection.
In one embodiment of the invention, the push rod includes the body of rod and a support feet, wherein the support feet is set
Put at the lever front end face, and be arranged on the body of rod adjacent to the side of the button, with support the body of rod to
It is upper to deviate the button certain distance.
In one embodiment of the invention, the push rod includes the body of rod and two support feets, wherein described two supports
Pin is separately positioned at the lever front end face, and is arranged on the monosymmetric position of the body of rod, described to support
The body of rod is upwardly deviated from the button certain distance.
In one embodiment of the invention, the push rod also includes joint portion, and the joint portion is along the body of rod direction
Extension, its one end is engaged with the support feet, and the other end is engaged with the Flexible Reset body.
Further, the electronic lock has lock-out state and released state, wherein,
When key is not inserted into the electronic lock, the electronic lock is in the lock-out state, and now the support feet is not
The button is pressed onto, the reset switch is not turned on；
When key is correctly inserted into the electronic lock, promotes the push rod to move backward to the electronic lock and be in unblock shape
State, now the button can be pressed into the Switch main body by the support feet, so that the reset switch is turned on.
Further, when the electronic lock is in the lock-out state, the Flexible Reset body is in the raw；When
When the electronic lock is in the released state, the Flexible Reset body is in confined state.
In one embodiment of the invention, the Flexible Reset body includes helical spring.
The present invention adds protection device between the hard contact and internal circuit of lock core, is only correctly inserted into key
When, hard contact can just be turned on internal circuit, prevent key from forceful electric power electric shock hard contact lock core can be caused to damage after extracting
The problem of, so as to be played a protective role to lock core.
Brief description of the drawings
The drawings below of the present invention is used to understand the present invention in this as the part of the present invention.Shown in the drawings of this hair
Bright embodiment and its description, for explaining the principle of the present invention.
In accompanying drawing：
Fig. 1 is the overall structure block diagram of the electronic lock according to the present invention；
Fig. 2 is the example arrangement schematic diagram of electronic lock according to an embodiment of the invention, Fig. 1, wherein electronics
Lock is in the lock state；And
Fig. 3 is the schematic diagram that electronic lock is in released state according to an embodiment of the invention, Fig. 2.
Embodiment
In the following description, a large amount of concrete details are given to provide more thorough understanding of the invention.So
And, it is obvious to the skilled person that the present invention can be able to without one or more of these details
Implement.In other examples, in order to avoid obscuring with the present invention, do not enter for some technical characteristics well known in the art
Row description.
It should be appreciated that the present invention can be implemented in different forms, and it should not be construed as being limited to what is proposed here
Embodiment.On the contrary, providing these embodiments disclosure will be made thoroughly and complete, and will fully convey the scope of the invention to
Those skilled in the art.In the accompanying drawings, for clarity, the size and relative size in Ceng He areas may be exaggerated.From beginning to end
Same reference numerals represent identical element.
It should be understood that be referred to as when element or layer " ... on ", " with ... it is adjacent ", " being connected to " or " being coupled to " other members
When part or layer, its can directly on other elements or layer, it is adjacent thereto, be connected or coupled to other elements or layer, or
There may be element or layer between two parties.On the contrary, when element be referred to as " on directly existing ... ", " with ... direct neighbor ", " be directly connected to
To " or when " being directly coupled to " other elements or layer, then in the absence of element or layer between two parties.Although it should be understood that art can be used
Language first, second, third, etc. describe various elements, part, area, floor and/or part, these elements, part, area, floor and/or portion
Dividing to be limited by these terms.These terms are used merely to distinguish an element, part, area, floor or part and another
Element, part, area, floor or part.Therefore, do not depart from present invention teach that under, the first element discussed below, part, area,
Floor or part are represented by the second element, part, area, floor or part.
Spatial relationship term for example " ... under ", " ... below ", " below ", " ... under ", " ... on ",
" above " etc., can describe for convenience herein and by using so as to the element or feature shown in description figure with it is other
The relation of element or feature.It should be understood that in addition to the orientation shown in figure, spatial relationship term be intended to also including the use of with
The different orientation of device in operation.If for example, the device upset in accompanying drawing, then, is described as " below other elements "
Or " under it " or " under it " element or feature will be oriented to other elements or feature " on ".Therefore, exemplary term
" ... below " and " ... under " it may include upper and lower two orientations.Device, which can be additionally orientated, (to be rotated by 90 ° or other takes
To) and spatial description language as used herein correspondingly explained.
The purpose of term as used herein is only that description specific embodiment and not as the limitation of the present invention.Make herein
Used time, " one " of singulative, " one " and " described/should " be also intended to include plural form, unless context is expressly noted that separately
Outer mode.It is also to be understood that term " composition " and/or " comprising ", when in this specification in use, determine the feature, it is whole
Number, step, operation, the presence of element and/or part, but be not excluded for one or more other features, integer, step, operation,
The presence or addition of element, part and/or group.Herein in use, term "and/or" includes any and institute of related Listed Items
There is combination.
In order to thoroughly understand the present invention, detailed structure and step will be proposed in following description, to explain this
Invent the technical scheme proposed.Presently preferred embodiments of the present invention is described in detail as follows, but in addition to these detailed descriptions, this hair
It is bright to have other embodiment.
According to the invention provides a kind of electronic lock, it includes：
Lock core, including the hard contact positioned at the lock core front end and the internal circuit positioned at the lock core rear end；And
Protection device, between the hard contact and the internal circuit,
Wherein, when being correctly inserted into key, the protection device conducting so that connect the hard contact and the inside
Circuit.
The present invention adds protection device between the hard contact and internal circuit of lock core, is only correctly inserted into key
When, hard contact can just be turned on internal circuit, prevent key from forceful electric power electric shock hard contact lock core can be caused to damage after extracting
The problem of, so as to be played a protective role to lock core.
Now, embodiments of the invention are discussed in detail in specific embodiments and the drawings.
There is provided a kind of new electronic lock 10 for embodiments in accordance with the present invention.The electronic lock 10 can be this area
Known any electronic lock, such as electric circuit electronics technical lock, chip electronic lock, keyboard-type electronic lock, bio-identification electronic lock, this hair
Bright type to electronic lock is simultaneously not limited.
As shown in figure 1, electronic lock 10 includes lock core 100 and protection device 200, wherein, the protection lock core of protection device 200
100 internal circuit, it can prevent lock core can be caused to burn with the electrode on forceful electric power contact lock core after key is extracted to ask
Topic.
Fig. 2 shows the example arrangement schematic diagram of electronic lock according to an embodiment of the invention, Fig. 1.Such as Fig. 2
Shown, lock core 100 includes hard contact 110 and circuit board 120.
Wherein, hard contact 110 is located at the front end of lock core 100, and its one end is connected with the external structure of electronic lock 10, separately
One end connects the circuit board 120 of lock core 100.Exemplarily, hard contact 110 may include metal contact 111 and metallic connection parts
112, wherein metal contact 111 is used to be connected with the external structure of electronic lock 10, and metallic connection parts 112 are connected to lock core 100
Circuit board 120.Wherein, metal contact 111 and metallic connection parts 112 can be electrically connected in any way, for example welding or
It is integrally formed.Exemplarily, the metal contact and metallic connection parts can have any shape, such as cylinder, rectangle.
It is disposed with the internal circuit of lock core on circuit board 120, internal circuit can be with, for example, 51 series monolithics are core,
Corresponding hardware circuit is equipped with, setting, storage, identification and the display of password is completed, drives electromagnetic actuator and detect its driving electricity
The functions such as alarm signal, transmission data that flow valuve, reception sensor are sent.Wherein, single-chip microcomputer is used to receive the code keyed in, and
It is compared with the password that is stored in EEPROM, if password is correct, driving electromagnetic actuator is unlocked；If password is not just
Really, then operating personnel are allowed to re-enter password.Exemplarily, three passwords can be at most inputted, if three times are all incorrect,
Single-chip microcomputer is alarmed by communication line to intelligent monitor.
In one embodiment of the invention, protection device 200 may include：Reset switch 210, push rod 220 and reset bullet
Property body 230.
Wherein, reset switch 210 is arranged on inside lock core 100, between hard contact 110 and circuit board 120, is played
Conducting and the effect of disconnecting circuit.Specifically, it is interior on hard contact 110 and circuit board 120 when reset switch 210 is turned on
Portion's circuit sets up electrical connection；When reset switch 210 disconnects, the internal circuit on hard contact 110 and circuit board 120 then disconnects
Electrical connection.Exemplarily, reset switch 210 can be any reset switch well known in the art, for example, it may include switch originally
Body 211 and button 212, when button 212 is pressed into Switch main body 211, reset switch 210 is turned on, and the present invention is opened reset
The species of pass is simultaneously not limited.
Push rod 220 may include the body of rod 221 and support feet 222, and the wherein body of rod 221 prolongs along lock core front end face to rear end face direction
Stretch, in order to avoid undesirable pressing button 212, its cross section can use semicircular ring shape (as shown in Figure 2)；Support feet 222
It is positioned close at the front end face of the body of rod 221, and is arranged on the side of the proximate buttons 212 of the body of rod 221, it is upward with support rod body 221
Deviate the certain distance of button 212.
In one embodiment of the invention, in order that when movable push rod 220 stable movement, it may include two
Support feet, is separately positioned at the lever front end face, and be arranged on the monosymmetric position of the body of rod.
In one embodiment of the invention, push rod 220 also includes joint portion 223, and the joint portion 223 is along the body of rod 221
Direction extends, and its one end is engaged with support feet 222, and the other end is engaged with Flexible Reset body 230.
The Flexible Reset body 230 may include any suitable elastomer well known in the art that can provide elastic force, example
Such as helical spring, leaf spring.
According to one embodiment of present invention, electronic lock 10 has lock-out state and released state.In Fig. 2 at electronic lock 10
In lock-out state.Fig. 3 shows schematic diagram when electronic lock 10 is in released state.The electronic lock is in the lock-out state
When, the Flexible Reset body is in the raw；When the electronic lock is in the released state, at the Flexible Reset body
In confined state.
Describe the course of work of protection device 200 in detail with reference to Fig. 2 and Fig. 3：
When key is not inserted into electronic lock 10, electronic lock 10 is in the lock state, and now Flexible Reset body 230 is in nature
State (i.e. no power puts on Flexible Reset body), support feet 222 is not pressed onto button 212, and reset switch 210 is not turned on, metal
Internal circuit on contact 110 and circuit board 120 disconnects electrical connection, even if applying forceful electric power electric shock to hard contact 110, due to multiple
Bit switch 210 is not turned on, and does not interfere with internal circuit, therefore will not damage lock core yet.
When key is correctly inserted into electronic lock 10, push rod 220 is promoted to be moved rearwards by, compression Flexible Reset body 230, Zhi Dao electricity
Son lock 10 is in released state, and now button 212 is pressed into Switch main body 211 by support feet 222, and reset switch 210 is turned on, gold
The internal circuit belonged on contact 110 and circuit board 120 sets up electrical connection, and now householder simply enters password, you can open electronics
Lock 10.
When opening electronic lock, hand is left after key, and because the elastic force of Flexible Reset body 230 is acted on, push rod 220 is moved forward
Origin-location is returned to, electronic lock reverts to lock-out state, and key is by automatic spring.
So far the design of the present invention is completed.Although illustrate only a specific embodiment of protection device 200 herein,
It should be understood that any protect the protection device of lock core by disconnection/connection hard contact and internal circuit, all it is considered as
Enter in the spirit and scope of the present invention.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to
Citing and the purpose of explanation, and be not intended to limit the invention in described scope of embodiments.In addition people in the art
Member according to the teachings of the present invention it is understood that the invention is not limited in above-described embodiment, can also make more kinds of
Variants and modifications, these variants and modifications are all fallen within scope of the present invention.Protection scope of the present invention by
The appended claims and its equivalent scope are defined.
Claims (9)
1. a kind of electronic lock, it is characterised in that including：
Lock core, including the hard contact positioned at the lock core front end and the internal circuit positioned at the lock core rear end；And
Protection device, between the hard contact and the internal circuit,
Wherein, when being correctly inserted into key, the protection device conducting so that the connection hard contact and the internal electricity
Road.
2. electronic lock as claimed in claim 1, it is characterised in that wherein described protection device includes：
Reset switch, it is arranged on inside the lock core, between the hard contact and the internal circuit；
Push rod, it is arranged on above the lock core, can be movable along the lock core；And
Flexible Reset body, it is engaged with the push rod, and the push rod can be promoted to move forward.
3. electronic lock as claimed in claim 2, it is characterised in that the reset switch includes Switch main body and button, works as institute
When stating button and being pressed into the Switch main body, the reset switch conducting so that the hard contact and the internal circuit
Set up electrical connection.
4. electronic lock as claimed in claim 3, it is characterised in that the push rod includes the body of rod and a support feet, wherein institute
State support feet to be positioned close at the lever front end face, and be arranged on the body of rod adjacent to the side of the button, to support
The body of rod is upwardly deviated from the button certain distance.
5. electronic lock as claimed in claim 3, it is characterised in that the push rod includes the body of rod and two support feets, wherein institute
State two support feets to be separately positioned at the lever front end face, and be arranged on the monosymmetric position of the body of rod,
To support the body of rod to be upwardly deviated from the button certain distance.
6. the electronic lock as described in claim 4 or 5, it is characterised in that the push rod also includes joint portion, the joint portion edge
The body of rod direction extension, its one end is engaged with the support feet, and the other end is engaged with the Flexible Reset body.
7. electronic lock as claimed in claim 4, it is characterised in that the electronic lock has lock-out state and released state, its
In,
When key is not inserted into the electronic lock, the electronic lock is in the lock-out state, and now the support feet is not pressed onto
The button, the reset switch is not turned on；
When key is correctly inserted into the electronic lock, promotes the push rod to move backward to the electronic lock and be in released state,
Now the button can be pressed into the Switch main body by the support feet, so that the reset switch is turned on.
8. electronic lock as claimed in claim 7, it is characterised in that described when the electronic lock is in the lock-out state
Flexible Reset body is in the raw；When the electronic lock is in the released state, the Flexible Reset body is in and pressed
Contracting state.
9. electronic lock as claimed in claim 2, it is characterised in that the Flexible Reset body includes helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375339.3A CN106978945A (en) | 2017-05-24 | 2017-05-24 | A kind of electronic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375339.3A CN106978945A (en) | 2017-05-24 | 2017-05-24 | A kind of electronic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106978945A true CN106978945A (en) | 2017-07-25 |
Family
ID=59342912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710375339.3A Pending CN106978945A (en) | 2017-05-24 | 2017-05-24 | A kind of electronic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106978945A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH658291A5 (en) * | 1984-03-02 | 1986-10-31 | Quadim S A | Optical locking device |
| CN101349123A (en) * | 2008-08-29 | 2009-01-21 | 安徽省电力公司淮南供电公司 | Strong electricity destroying-proof protecting device of electronic lock |
| CN101476418A (en) * | 2008-01-03 | 2009-07-08 | 翟达 | Self-resetting intelligent rotating lock core with power supply from key, and its matched lockset and key |
| CN103184817A (en) * | 2013-03-13 | 2013-07-03 | 姚春良 | Electronic lock control system, control method and electronic failure removing method thereof |
| CN205400310U (en) * | 2016-03-10 | 2016-07-27 | 李刚 | Electronic lock structure |
-
2017
- 2017-05-24 CN CN201710375339.3A patent/CN106978945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH658291A5 (en) * | 1984-03-02 | 1986-10-31 | Quadim S A | Optical locking device |
| CN101476418A (en) * | 2008-01-03 | 2009-07-08 | 翟达 | Self-resetting intelligent rotating lock core with power supply from key, and its matched lockset and key |
| CN101349123A (en) * | 2008-08-29 | 2009-01-21 | 安徽省电力公司淮南供电公司 | Strong electricity destroying-proof protecting device of electronic lock |
| CN103184817A (en) * | 2013-03-13 | 2013-07-03 | 姚春良 | Electronic lock control system, control method and electronic failure removing method thereof |
| CN205400310U (en) * | 2016-03-10 | 2016-07-27 | 李刚 | Electronic lock structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Hongbing Inventor before: Gao Hongbing Inventor before: Zhou Wansheng Inventor before: Xiang Zhan |