CN206270699U - Distributed security circuit and Medical Devices - Google Patents
Distributed security circuit and Medical Devices Download PDFInfo
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- CN206270699U CN206270699U CN201621125091.2U CN201621125091U CN206270699U CN 206270699 U CN206270699 U CN 206270699U CN 201621125091 U CN201621125091 U CN 201621125091U CN 206270699 U CN206270699 U CN 206270699U
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Abstract
Distributed security circuit, including several sub- safety circuits (10), sub- safety circuit is used to control electric device, and each sub- safety circuit includes on-off circuit (12), limit circuit (14), a jerk circuit (16) and a jerk feedback circuit (18).On-off circuit is used to control whether to provide power supply to electric device (50).Limit circuit is connected with on-off circuit and being capable of controlling switch connecting and disconnecting of the circuit.The jerk circuit connected in series connection of adjacent sub- safety circuit, the jerk feedback circuit of adjacent sub- safety circuit is connected in series, and jerk feedback circuit can control the break-make of the limit circuit of the sub- safety circuit according to the break-make of each jerk circuit being connected in series.Above-mentioned distributed security circuit is easy to use and wiring low cost.Also provided is and use the Medical Devices of above-mentioned safety circuit.
Description
Technical field
The utility model is related to a kind of safety circuit, specially a kind of distributed security circuit.Additionally, the utility model is also
It is related to using the Medical Devices of this distributed security circuit.
Background technology
, it is necessary to using safety circuit come protection equipment and personal safety, safety in the Medical Devices with electric device
Circuit generally includes limit switch and emergency stop switch etc..Central controlled mode being used existing safety circuit, by each electricity more
The limit switch and emergency stop switch of dynamic device are by a safety circuit centralized Control, when the electric device in equipment is more, one
The individual whole systems of limit switch influence, in-convenience in use, and wiring is complicated, line cost is high.
Utility model content
The purpose of utility model is to provide a kind of distributed security circuit, with distributed frame, simple structure, and is easy to
Wiring.
The another object of utility model is to provide a kind of Medical Devices, the safety circuit with distributed frame, structure letter
It is single, and it is easy to wiring.
The utility model provides a kind of distributed security circuit, including several sub- safety circuits, and sub- safety circuit is used to control
Electric device processed, each sub- safety circuit includes that an on-off circuit, a limit circuit, a jerk circuit and a jerk are anti-
Current feed circuit.On-off circuit is used to control whether to provide power supply to electric device.Limit circuit is connected with on-off circuit and can control
On-off circuit break-make processed.Wherein, the jerk circuit connected in series connection of adjacent sub- safety circuit, the jerk of adjacent sub- safety circuit
Feedback circuit is connected in series, and jerk feedback circuit can control son safety electricity according to the break-make of each jerk circuit being connected in series
The break-make of the limit circuit on road.
Above-mentioned distributed security circuit, each sub- safety circuit has independent limit circuit to the independent control of electric device
System, is easy to use, and is connected in series between each sub- safety circuit, reduces wiring cost.
In another exemplary embodiment of distributed security circuit, limit circuit includes a limit switch and one
Individual first controlling switch, limit switch is connected in series, and the first controlling switch has a terminals and a control end, the first control
System switch can adjust the break-make of control end according to the voltage of terminals, and the terminals of the first controlling switch are connected with limit switch
Connection, the control end of the first controlling switch is connected in series in on-off circuit.Jerk circuit includes an emergency stop switch.Jerk is fed back
Circuit includes a feedback line and second controlling switch, and the second controlling switch has a terminals and a control
End, terminals and the feedback line of the second controlling switch be connected in parallel, and the control end of the second controlling switch is connected in series in spacing
Circuit.
In another exemplary embodiment of distributed security circuit, each sub- safety circuit also includes a control electricity
Road, each control circuit includes a microprocessor, a first switch drive circuit, a second switch drive circuit and one
3rd controlling switch.First switch drive circuit, its terminals respectively with microprocessor and the first controlling switch are connected, micro- place
Reason device can control the opening and closing of the first controlling switch by first switch drive circuit.Second switch drive circuit and microprocessor
Connection.3rd controlling switch has a terminals and a control end, and the 3rd controlling switch can be according to the voltage of terminals
The break-make of control end is controlled, the terminals of the 3rd controlling switch are connected in series in second switch drive circuit, the 3rd controlling switch
Control end be connected in series in jerk circuit, microprocessor can control the 3rd controlling switch open by second switch drive circuit
Close.Limit circuit and jerk circuit are controlled by controller, improve the applicability of safety circuit.
In another exemplary embodiment of distributed security circuit, each sub- safety circuit also includes two feedback electricity
Road, feedback circuit is connected in parallel in the both sides of the emergency stop switch on jerk circuit, and feedback circuit connection microprocessor respectively.It is micro-
Processor judges the opening and closing of emergency stop switch by feedback circuit, is easy to detect each emergency stop switch.
In another exemplary embodiment of distributed security circuit, each sub- safety circuit also includes that an inside is anxious
Stop circuit power, internal jerk circuit power connects one end of jerk circuit and for jerk circuit is powered, improves safety circuit
Applicability.
In another exemplary embodiment of distributed security circuit, jerk circuit, the jerk of each sub- safety circuit
Feedback circuit, limit switch and emergency stop switch are connected to plug connector, make the more flexible convenience of wiring of safety circuit.
In another exemplary embodiment of distributed security circuit, each limit circuit includes multiple limit switches,
Limit switch is connected in series.
In another exemplary embodiment of distributed security circuit, each jerk circuit includes multiple emergency stop switch,
Emergency stop switch is connected in series.
The utility model provides a kind of Medical Devices, including several electric devices and an above-mentioned safety circuit, each electricity
Dynamic device is connected with a sub- safety circuit respectively.
Hereafter by clearly understandable mode, preferred embodiment is described with reference to the drawings, to distributed security circuit and medical treatment
The above-mentioned characteristic of equipment, technical characteristic, advantage and its implementation are further described.
Brief description of the drawings
The following drawings only does schematic illustration and explanation to the utility model, does not limit scope of the present utility model.
Fig. 1 is a kind of structural representation of exemplary embodiment of distributed security circuit.
Fig. 2 is a kind of structural representation of exemplary embodiment of sub- safety circuit.
Fig. 3 is a kind of use state schematic diagram of exemplary embodiment of distributed security circuit.
Fig. 4 is the structural representation of another exemplary embodiment of sub- safety circuit.
Label declaration
10 sub- safety circuits
12 on-off circuits
14 limit circuits
16 jerk circuits
18 jerk feedback circuits
19 feedback lines
20 control circuits
22 microprocessors
24 first switch drive circuits
26 second switch drive circuits
30 feedback circuits
40 inside jerk circuit powers
50 electric devices
K1 limit switches
K2 emergency stop switch
The controlling switches of K3 first
The controlling switches of K4 second
The controlling switches of K5 the 3rd.
Specific embodiment
In order to the technical characteristic to utility model, purpose and effect are more clearly understood from, now control illustrates this
The specific embodiment of utility model, in the various figures identical label represent that structure is identical or structure is similar but function identical portion
Part.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing
Any diagram of meaning property ", implementation method are construed to a kind of preferred or more advantageous technical scheme.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than the significance level for representing them.
Fig. 1 is a kind of structural representation of exemplary embodiment of distributed security circuit, and Fig. 2 is sub- safety circuit 10
A kind of exemplary embodiment structural representation, referring to Figures 1 and 2, distributed security circuit include it is several son safety electricity
Road 10, several sub- safety circuits 10 are respectively used to control several electric devices 50, and electric device 50 can drive Medical Devices
The motor of a upper moving component, can drive moving component to be moved along an operating path, such as electric bed for medical purpose
The motion path of bed board.Each sub- safety circuit 10 includes a jerk circuit 16 of limit circuit 14, of on-off circuit 12,
With a jerk feedback circuit 18.On-off circuit 12 is used to control whether to provide power supply to electric device 50.Limit circuit 14 is wrapped
Including a limit switch K1 and a first controlling switch K3, limit switch K1 can be provided in the part of electric device 50
Normally closed switch on operating path, when the part motion of electric device 50 is by limit switch K1, limit switch K1 is triggered simultaneously
Disconnect.First controlling switch K3 has a terminals and a control end, and the first controlling switch K3 can be according to terminals
Voltage adjusts the break-make of control end, and terminals and the limit switch K1 of the first controlling switch K3 are connected in series, the first controlling switch
The control end of K3 is connected in series in on-off circuit 12.In exemplary embodiment, as shown in FIG., the first controlling switch K3 is
Relay, terminals are relay coil, and control end is relay contact, is not limited thereto certainly, in other schematic realities
Apply in scheme, the first controlling switch K3 can also be other switches or electronic component, such as optocoupler or semiconductor devices.Jerk electricity
Road 16 includes that an emergency stop switch K2, emergency stop switch K2 are normally closed the opening for being capable of in case of emergency artificial active operation cut-out
Close.Jerk feedback circuit 18 includes that a feedback line 19 and one second controlling switch K4, the second controlling switch K4 have one
Individual terminals and a control end, the second controlling switch K4 can adjust the break-make of control end, second according to the voltage of terminals
The terminals of controlling switch K4 are connected in parallel with feedback line 19, and the control end of the second controlling switch K4 is connected in series in spacing electricity
Road 14.As shown in FIG., the second controlling switch K4 is relay, and terminals are relay coil, and control end is relay contact,
Certainly it is not limited thereto, in other illustrative embodiments, the second controlling switch K4 can also be other switches or electronics
Element, such as optocoupler or semiconductor devices.The jerk circuit 16 of adjacent sub- safety circuit 10 is connected in series, adjacent son safety electricity
The jerk feedback circuit 18 on road 10 is connected in series, and the jerk feedback circuit 18 of series connection is used for the logical of the jerk circuit 16 according to series connection
The break-make of disconnected control limit circuit 14.
When in use, shown in Fig. 1, outside power supply is connected to jerk circuit in first sub- safety circuit 10 with shorting stub
16 one end, the jerk circuit 16 of other sub- safety circuits 10 is sequentially connected in series, the also company of being sequentially connected in series of jerk feedback circuit 18
Connect, the jerk circuit 16 in last sub- safety circuit 10 is connected using shorting stub with jerk feedback circuit 18, now jerk
Circuit 16 is connected with jerk feedback circuit 18, and the break-make of jerk circuit 16 influences the opening and closing of all second controlling switch K4.Now,
If the whole emergency stop switch K2 closures in safety circuit, jerk circuit 16 is connected, in each sub- safety circuit 10, the second control
Switch K4 will be closed, if the motion of electric device 50 does not trigger limit switch K1, limit switch K1 is completely in closure
State, the first controlling switch K3 will be closed, and the connection of on-off circuit 12 is powered.When being in an emergency, if safety
There is an emergency stop switch K2 to be disconnected in circuit, in each sub- safety circuit 10, the second controlling switch K4 will disconnect, the first control
System switch K3 can also disconnect, and on-off circuit 12 disconnects stops power supply.If the emergency stop switch K2 in safety circuit is all closed, anxious
Stop feedback circuit 18 to connect, in each sub- safety circuit 10, the second controlling switch K4 will be closed, if electric device 50 is triggered
A certain limit switch K1, limit switch K1 disconnect, and the first controlling switch K3 of the sub- safety circuit 10 will disconnect, on-off circuit
12 disconnections are stopped power supply, the normal power supply of electric device 50 operation in other sub- safety circuits 10.
Fig. 3 is a kind of use state schematic diagram of exemplary embodiment of distributed security circuit, shown in Fig. 3, finally
One controlling switch of series connection on jerk circuit 16 in one sub- safety circuit 10, the controlling switch has a terminals and one
Individual control end, the controlling switch can control the break-make of the control end, the terminals and the jerk according to the break-make of the terminals
Circuit 16 is connected, and the control end is connected with the feedback line 19 of the jerk feedback circuit 18 in the sub- safety circuit 10, the feedback
Circuit 19 is also connected with a power supply, the voltage for making the break-make of jerk circuit 16 enough influence between jerk feedback line 19, enters one
The opening and closing of each second controlling switch K4 in step influence safety circuit.Jerk circuit 16 is with jerk feedback circuit 18 to safety circuit
Effect will not be repeated here.
Above-mentioned distributed security circuit, each sub- safety circuit has independent limit circuit to the independent control of electric device
System, is easy to use, and is connected in series between each sub- safety circuit, reduces wiring cost.
Fig. 4 is the structural representation of another exemplary embodiment of sub- safety circuit 10, reference picture 4, in another kind
In exemplary embodiment, each sub- safety circuit 10 also includes a control circuit 20, and each control circuit 20 includes a micro- place
Reason the second switch drive circuit 26 of first switch drive circuit 24, of device 22, and a 3rd controlling switch K5.First
Terminals of the switch driving circuit 24 respectively with the controlling switch K3 of microprocessor 22 and first are connected, and microprocessor 22 can be by
First switch drive circuit 24 controls the first controlling switch K3 opening and closings.Second switch drive circuit 26 is connected with microprocessor 22.
3rd controlling switch K5 has a terminals and a control end, and the 3rd controlling switch K5 can be adjusted according to the voltage of terminals
The break-make of whole control end, the terminals of the 3rd controlling switch K5 are connected in series in second switch drive circuit 26, and the 3rd control is opened
The control end for closing K5 is connected in series in jerk circuit 16, and microprocessor 22 can control the 3rd by second switch drive circuit 26
Controlling switch K5 is opened and closed.As shown in FIG., the 3rd controlling switch K5 is relay, and terminals are relay coil, and control end is
Relay contact, is not limited thereto certainly, and in other illustrative embodiments, the 3rd controlling switch K5 can also be other
Switch or electronic component, such as optocoupler or semiconductor devices.First switch drive circuit 24 and second switch drive circuit 26 can
With the controlling switch drive circuit constituted using transistor.Said structure can be by controller to limit circuit and jerk circuit
It is controlled, improves the applicability of safety circuit.
In exemplary embodiment, reference picture 4, each sub- safety circuit 10 also includes two feedback circuits 30, feedback electricity
Road 30 is connected in parallel in the both sides of the emergency stop switch K2 on jerk feedback circuit 18, and feedback circuit connection microprocessor respectively
22.Feedback circuit 30 is obtained in that the voltage data of emergency stop switch K2 both sides and sends voltage signal, micro- place to microprocessor 22
Reason device 22 judges the opening and closing of emergency stop switch K2 by comparing two voltage signals, feedback circuit 30 can be opto-coupled feedback circuit or
Relay etc., above-mentioned design is easy to detect each emergency stop switch K2.
In exemplary embodiment, reference picture 4, each sub- safety circuit 10 also includes an internal jerk circuit power
40, internal jerk circuit power 40 connects one end of jerk circuit 16 and for jerk circuit 16 is powered.Safety circuit can be internal
Power supply, improves the applicability of safety circuit.
In exemplary embodiment, the jerk circuit 16 of each sub- safety circuit 10, jerk feedback circuit 18, limit switch
K1 and emergency stop switch K2 are connected to plug connector.The end of each jerk circuit 16, the end of each jerk feedback circuit 18, limit
Bit switch K1 and limit circuit 14, emergency stop switch K2 and jerk feedback circuit 18 can be connected by plug connector, facilitate each son
The connection of safety circuit, while facilitating the connection of each switch, makes the more flexible convenience of wiring of safety circuit.
In exemplary embodiment, reference picture 4, each limit circuit 14 includes multiple limit switch K1, each limit switch
It is connected in series between K1.Multiple limit switches can tackle the more complicated electric device of motion path.
In exemplary embodiment, each jerk circuit 16 includes multiple emergency stop switch K2, is gone here and there between each emergency stop switch K2
Connection connection.Multiple emergency stop switch K2 can be arranged at different positions, it is of course also possible to be connected between each emergency stop switch K2 anti-
Current feed circuit 30, the connection microprocessor 22 of feedback circuit 30, microprocessor 22 is by comparing feedback circuit 30 from each emergency stop switch K2
The voltage signal that both sides obtain judges the opening and closing of each emergency stop switch K2, more conducively to the control of electric device.
The utility model also provides a kind of Medical Devices, including several electric devices 50 and an above-mentioned safety circuit,
Each electric device 50 is connected with a sub- safety circuit 10 respectively.Medical Devices can be the equipment such as electric bed for medical purpose, electronic dress
50 motors that can be the bed board for driving electric bed for medical purpose are put, limit switch K1 is arranged on the motion path of bed board.Point
Cloth safety circuit, Medical Devices of being more convenient for are used, simple structure, and are easy to wiring.
It should be understood that, although this specification is described according to each embodiment, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Used as an entirety, technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can be with for bright book
The other embodiment of understanding.
The a series of detailed description of those listed above is only for the specific of possible embodiments of the present utility model
Illustrate, they are simultaneously not used to limit protection domain of the present utility model, it is all without departing from the utility model skill spirit made etc.
Effect is implemented
The combination of scheme or change, such as feature, segmentation are repeated, should be included in protection domain of the present utility model it
It is interior.
Claims (9)
1. distributed security circuit, it is characterised in that including several sub- safety circuits (10), several sub- safety circuits (10)
For controlling several electric devices (50), each sub- safety circuit (10) includes：
One on-off circuit (12), the on-off circuit (12) is for controlling whether to provide power supply to the electric device (50)；
One limit circuit (14), the limit circuit (14) is connected with the on-off circuit (12) and can control the switch
Circuit (12) break-make；
One jerk circuit (16)；And
One jerk feedback circuit (18)；
Wherein, the jerk circuit (16) of adjacent described sub- safety circuit (10) is connected in series, the adjacent son safety
The jerk feedback circuit (18) of circuit (10) is connected in series, and the jerk feedback circuit (18) can be according to being connected in series
The break-make of each jerk circuit (16) controls the break-make of the limit circuit (14) of the sub- safety circuit (10).
2. distributed security circuit as claimed in claim 1, it is characterised in that
The limit circuit (14) includes：
One limit switch (K1), and
One the first controlling switch (K3), first controlling switch (K3) has a terminals and a control end, described
First controlling switch (K3) can control the break-make of the control end, first controlling switch according to the voltage of the terminals
The terminals be connected in series with the limit switch (K1), the series connection of the control end of first controlling switch (K3) connects
It is connected to the on-off circuit (12)；
The jerk circuit (16) includes an emergency stop switch (K2)；
The jerk feedback circuit (18) includes：
One feedback line (19), and
One the second controlling switch (K4), second controlling switch (K4) has a terminals and a control end, described
The terminals of the second controlling switch (K4) are connected in parallel with the feedback line (19), second controlling switch (K4)
The control end is connected in series in the limit circuit (14).
3. distributed security circuit as claimed in claim 2, it is characterised in that each sub- safety circuit (10) also includes
Individual control circuit (20), each control circuit (20) includes：
One microprocessor (22)；
One first switch drive circuit (24), its respectively with the microprocessor (22) and first controlling switch (K3)
The terminals connection, the microprocessor (22) can by the first switch drive circuit (24) control described first
Controlling switch (K3) is opened and closed；
One second switch drive circuit (26), the second switch drive circuit (26) is connected with the microprocessor (22)；
And
One the 3rd controlling switch (K5), the 3rd controlling switch (K5) has a terminals and a control end, described
3rd controlling switch (K5) can control the break-make of the control end, the 3rd controlling switch according to the voltage of the terminals
(K5) the terminals are connected in series in the second switch drive circuit (26), the 3rd controlling switch (K5) it is described
Control end is connected in series in the jerk circuit (16), and the microprocessor (22) can be by the second switch drive circuit
(26) the 3rd controlling switch (K5) opening and closing is controlled.
4. distributed security circuit as claimed in claim 3, it is characterised in that each sub- safety circuit (10) also includes two
Individual feedback circuit (30), the feedback circuit (30) is connected in parallel in the emergency stop switch on the jerk circuit (16) respectively
(K2) both sides, and the feedback circuit (30) connects the microprocessor (22).
5. distributed security circuit as claimed in claim 2, it is characterised in that each sub- safety circuit (10) also includes
Individual internal jerk circuit power (40), internal jerk circuit power (40) connects one end of the jerk circuit (16) and is
Jerk circuit (16) power supply.
6. distributed security circuit as claimed in claim 2, it is characterised in that the urgency of each sub- safety circuit (10)
Power failure road (16), the jerk feedback circuit (18), the limit switch (K1) and the emergency stop switch (K2) are connected to
Plug connector.
7. distributed security circuit as claimed in claim 2, it is characterised in that each limit circuit (14) includes multiple institutes
Limit switch (K1) is stated, the limit switch (K1) is connected in series.
8. distributed security circuit as claimed in claim 2, it is characterised in that each jerk circuit (16) includes multiple institutes
Emergency stop switch (K2) is stated, the emergency stop switch (K2) is connected in series.
9. Medical Devices, including several electric devices (50), it is characterised in that also including in such as claim 1 to 8
Distributed security circuit described in any one, each electric device (50) sub- safety circuit (10) described with respectively
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125091.2U CN206270699U (en) | 2016-10-14 | 2016-10-14 | Distributed security circuit and Medical Devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125091.2U CN206270699U (en) | 2016-10-14 | 2016-10-14 | Distributed security circuit and Medical Devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270699U true CN206270699U (en) | 2017-06-20 |
Family
ID=59039094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621125091.2U Active CN206270699U (en) | 2016-10-14 | 2016-10-14 | Distributed security circuit and Medical Devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206270699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830853A (en) * | 2019-04-18 | 2020-10-27 | 上海联影医疗科技有限公司 | Emergency stop control system for integrated medical equipment |
-
2016
- 2016-10-14 CN CN201621125091.2U patent/CN206270699U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830853A (en) * | 2019-04-18 | 2020-10-27 | 上海联影医疗科技有限公司 | Emergency stop control system for integrated medical equipment |
| CN111830853B (en) * | 2019-04-18 | 2024-01-09 | 上海联影医疗科技股份有限公司 | Emergency stop control system for integrated medical equipment |
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