CN207465888U - A kind of 3D printer emergency stop circuit - Google Patents
A kind of 3D printer emergency stop circuit Download PDFInfo
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- CN207465888U CN207465888U CN201721360104.9U CN201721360104U CN207465888U CN 207465888 U CN207465888 U CN 207465888U CN 201721360104 U CN201721360104 U CN 201721360104U CN 207465888 U CN207465888 U CN 207465888U
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- emergency stop
- circuit
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- printer
- switch
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model discloses a kind of 3D printer emergency stop circuit, including power unit, control circuit, driving circuit, emergency stop switch and controlled switching element.Wherein power unit is directly connected with the power input of control circuit；Power unit is connected by the switch terminals of controlled switching element with the power input of driving circuit；Both the emergency stop control terminal of control circuit and emergency stop switch are logical "and" to the control logic relationship of drive circuitry.The power supply mode of driving circuit is designed as controlled power supply by the utility model, the emergency stop control terminal of emergency stop switch and control circuit realizes the manual emergency stop and automatic emergency stop to 3D printer respectively, as long as one of them has shutdown action, drive circuitry is cut off, and the utility model realizes the manual emergency stop of 3D printer and automatic emergency stop function with simple and reliable circuit structure.
Description
Technical field
The utility model is related to a kind of safety devices of 3D printer, and in particular to a kind of emergency stop electricity for 3D printer
Road.
Background technology
3D printer belongs to a kind of automation equipment for increasing material manufacturing, and it includes motion control, computer heating control etc., portions
Divide the 3D printer of forming principle also to include laser control, Liquid level etc., it is high, control complexity to belong to a kind of integrated level
Electromechanical equipment.The 3D printer one-pass molding time generally can all last for hours even time a couple of days simultaneously, in the big portion of printing
The state kept is held between timesharing all in nobody, once it is out of control equipment occur, particularly uncontrolled movements and heat it is out of control, may
Cause serious security risk.It is light then damage printer unit, weight then causes the major accidents such as fire, therefore emergency stop particularly from
Dynamic sudden-stop function is extremely important to 3D printing equipment.
Most of 3D printers and without emergency stop switch currently on the market, can not realize manual emergency stop, especially use
It is more universal on the 3D printer of FDM principles.A small number of 3D printers with abnormity protection function, exception are protected in the market simultaneously
Protective function also controls the shutdown of its driving element to realize abnormal protection simply by software, and not completely cuts through driving circuit
Power supply, this mode can not be to playing a protective role extremely caused by driving circuit failure.
Utility model content
For overcome the deficiencies in the prior art, the utility model proposes a kind of 3D printer emergency stop circuits.It has simultaneously
There are manual emergency stop and automatic emergency stop function, automatic emergency stop function can automatically cut off drive when control circuit detects unit exception
Dynamic circuit power supply, it is ensured that system holds punctual operational safety at nobody.Software can also close driving circuit in the non-print time
Power supply reduces system power dissipation.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows：
A kind of 3D printer emergency stop circuit, including power unit, control circuit, driving circuit, emergency stop switch and controlled
Switch element, which is characterized in that power unit is directly connected with the power input of control circuit；Power unit is opened by controlled
The switch terminals for closing element are connected with the power input of driving circuit；The emergency stop control terminal and both emergency stop switch of control circuit are right
The control logic relationship of drive circuitry is logical "and", as long as that is, one of them has shutdown action, drive circuitry is
It is turned off, only after shutdown is both released, drive circuitry just can turn on.Realize that the mode of the logical relation is more, it can
Same controlled switch is controlled so that two control terminals are designed as cascaded structure；Two controlled switch can be used, it is each to control
End controls a controlled switch respectively, is cascaded structure between two controlled switch；It can also be matched by two triodes and closed
Pull-up resistor is formed line and structure or is directly realized using logic gates.It can realize the physical circuit of this logical relation
There are many structure, as long as meeting above-mentioned logical relation, you can realize the utility model institute purpose to be achieved.
Preferably, the emergency stop control terminal of the control circuit, emergency stop switch and the control terminal of controlled switching element are to connect
Connection.Power unit is powered by controlled switching element to driving circuit section, realizes two control terminals to drive circuitry
Logical "and" control planning.
Preferably, the emergency stop control terminal of the control circuit can also control a controlled switch member respectively with emergency stop switch
Part, to be connected in series between two suspension control switch elements.Power unit is connected in series with knot by two controlled switching elements
Structure is powered to driving circuit section, realizes logical "and" control planning of two control terminals to drive circuitry.
Preferably, the controlled switching element is one kind in contactor, electromagnetic relay, solid-state relay.
Preferably, the controlled switching element can also be to be taken by the elements such as silicon-controlled, triode, MOSFET, IGBT
The controllable switch circuit module built, so that the integrated level higher of system.
Preferably, the power unit output is one kind in single-phase alternating current, three-phase alternating current, direct current.Different
Under application scenario, need to select matching controlled switching element or module.
Compared with prior art, the utility model detaches the side of power supply using control circuit to the utility model with driving circuit
Formula realizes the controlled power supply of driving circuit section.As long as one of the emergency stop control terminal of emergency stop switch and control circuit is related
Disconnected action, the power supply of driving circuit are turned off, and realize the manual emergency stop of 3D printer and automatic emergency stop function.This circuit knot
Structure is simple, substantially increases the reliability of emergency stop.Control circuit can also supply driving circuit in the non-working time of printer
It is electrically cut off, reduces system standby power consumption, while improve safety of the system in standby mode.
Description of the drawings
Fig. 1 is the electrical block diagram of the utility model 3D printer power supply circuit construction embodiment 1.
Fig. 2 is the electrical block diagram of the utility model 3D printer power supply circuit construction embodiment 2.
Fig. 3 is the electrical block diagram of the utility model 3D printer power supply circuit construction embodiment 3.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the 3D printer emergency stop circuit of the utility model is done further
Description, understands the utility model technological thought claimed in order to clearer.
Embodiment 1：
As shown in Figure 1, a kind of 3D printer emergency stop circuit, including power unit 11, control circuit 12, driving circuit 13,
Emergency stop switch SB1 and contactor KM1.Wherein control circuit 12 is connected directly with power unit 11, and driving circuit 13 is by connecing
The switch terminals of tentaculum KM1 are connected with power unit 11, emergency stop switch SB1 and the emergency stop control terminal and contactor of control circuit 12
The control terminal of KM1 is connected in series with.
The operation principle of emergency stop circuit is in this embodiment, and system uses single-phase 220V alternating currents, and power unit 11 is whole
A system provides power supply；Control circuit 12 is directly powered by power unit 11, power unit 11 work after control circuit 12 to obtain the final product
It starts to work to power supply；Driving circuit 13 realizes controlled power supply by power unit 11 by contactor KM1, due to contactor KM1
The emergency stop control terminal and emergency stop switch SB1 of control terminal and control circuit 12 are to be connected in series with, as long as therefore control circuit 12 urgency
Stopping one of control terminal and emergency stop switch SB1 has shutdown action, and contactor KM1 is just disconnected immediately, the power supply of driving circuit 13
It is cut off immediately.So as to realize the manual emergency stop of 3D printer and automatic emergency stop function simultaneously.
Embodiment 2：
As shown in Fig. 2, a kind of 3D printer emergency stop circuit, including power unit 21, control circuit 22, driving circuit 23,
Emergency stop switch SB2 and electromagnetic relay K1 and K2.Wherein control circuit 22 is connected directly with power unit 21, driving circuit 23
It is connected by electromagnetic relay K1 and K2 with power unit 21, to be connected in series with, emergency stop switch SB2 connects by electromagnetic relay K1 and K2
Connect the control terminal of K1, the control terminal of the emergency stop control terminal connection K2 of control circuit 22.
The operation principle of emergency stop circuit is in this embodiment, and system uses 24V direct currents, and power unit 21 is whole system
Power supply；Control circuit 22 is directly powered by power unit 21；Driving circuit 23 by power unit 21 by electromagnetic relay K1 and
The cascaded structure of K2 is powered；Electromagnetic relay K1 and K2 are controlled respectively by the emergency stop of emergency stop switch SB2 and control circuit 22
End control.Since electromagnetic relay K1 and K2 is are connected in series with, when the emergency stop control terminal of emergency stop switch SB2 or control circuit 22 has
Shutdown acts, and electromagnetic relay K1 or K2 are disconnected, because electromagnetic relay K1, K2 and driving circuit 23 are cascaded structure,
After therefore as long as one of relay disconnects, the power supply of driving circuit 23 is cut off immediately.So as to realize 3D printer simultaneously
Manually and automatically sudden-stop function.
Embodiment 3：
As shown in figure 3, a kind of 3D printer emergency stop circuit, including power unit 31, control circuit 32, driving circuit 33,
Emergency stop switch SB3 and N-channel MOS FET Q1 and its pull down resistor R1.Wherein control circuit 32 and 31 direct phase of power unit
Even, driving circuit 33 is connected by MOSFET with power unit 31, emergency stop switch SB3, control circuit 32 emergency stop control terminal with
And the gate series connection of MOSFET, pull down resistor R1 are connected between the grid of MOSFET and GND.
The operation principle of emergency stop circuit is in this embodiment, and system uses 24V direct currents, and power unit 31 is whole system
Power supply；Control circuit 32 is directly powered by power unit 31；Driving circuit 33 is carried out controlled by power unit 31 by MOSFET
Power supply.When the emergency stop control terminal of control circuit 32 exports high level or SB3 is off state, the grid of MOSFET Q1
Since the effect of pull down resistor R1 makes its grid voltage, for 0V, MOSFET Q1 are off state, at this time the current supply circuit of driving circuit
It is cut off.Only when the emergency stop control terminal of control circuit 32 exports high level, and SB3 is in the conduction state, the grid of MOSFET Q1
Pole could obtain grid voltage, and MOSFET Q1 enter conducting state, and the power supply of driving circuit 33 is switched on.It can be seen that control circuit 32
The control logic relationship of emergency stop control terminal and emergency stop switch SB3 be logical "and", this circuit structure realizes 3D printing simultaneously
The manually and automatically sudden-stop function of machine.
Control switch element is contactor, electromagnetic relay and MOSFET respectively in above three embodiments, according to
Different use occasions can select contactor, electromagnetic relay, solid-state to post electric appliance or taken by silicon-controlled, transistor etc.
The controllable switch circuit module built is as controlled switching element.By selecting different controlled switching elements, emergency stop circuit can be with
It is applicable in the various power supply modes such as three-phase alternating current, single-phase alternating current and direct current.
For those skilled in the art, technical solution that can be as described above and design are made other each
Kind is corresponding to be changed and deforms, and all these change and deform the guarantor that should all belong to the utility model claims
Within the scope of shield.
Claims (6)
1. a kind of 3D printer emergency stop circuit, including power unit, control circuit, driving circuit, emergency stop switch and controlled open
Close element, which is characterized in that power unit is directly connected with the power input of control circuit；Power unit passes through controlled switch
The switch terminals of element are connected with the power input of driving circuit；Both the emergency stop control terminal of control circuit and emergency stop switch are to driving
The control logic relationship of dynamic circuit power supply is logical "and".
2. 3D printer emergency stop circuit according to claim 1, which is characterized in that the emergency stop control of the control circuit
The control terminal at end, emergency stop switch and controlled switching element is is connected in series with.
3. 3D printer emergency stop circuit according to claim 1, which is characterized in that the emergency stop control terminal of the control circuit
It connect the control terminal of a controlled switching element respectively with emergency stop switch, is series connection between the switch terminals of two controlled switching elements
Connection.
4. 3D printer emergency stop circuit according to claim 1, which is characterized in that the controlled switching element is contact
One kind in device, electromagnetic relay, solid-state relay.
5. 3D printer emergency stop circuit according to claim 1, which is characterized in that the controlled switching element is by can
The controllable switch circuit module that control silicon, triode, MOSFET or IGBT are built.
6. 3D printer emergency stop circuit according to claim 1, which is characterized in that the power unit output is blow-up
One kind in galvanic electricity, three-phase alternating current, direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721360104.9U CN207465888U (en) | 2017-10-21 | 2017-10-21 | A kind of 3D printer emergency stop circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721360104.9U CN207465888U (en) | 2017-10-21 | 2017-10-21 | A kind of 3D printer emergency stop circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207465888U true CN207465888U (en) | 2018-06-08 |
Family
ID=62264549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721360104.9U Active CN207465888U (en) | 2017-10-21 | 2017-10-21 | A kind of 3D printer emergency stop circuit |
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| Country | Link |
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| CN (1) | CN207465888U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291054A (en) * | 2018-11-19 | 2019-02-01 | 炬星科技（深圳）有限公司 | Robot emergency stop control circuit |
| CN109693377A (en) * | 2017-10-21 | 2019-04-30 | 严铜 | A kind of 3D printer emergency stop circuit |
-
2017
- 2017-10-21 CN CN201721360104.9U patent/CN207465888U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693377A (en) * | 2017-10-21 | 2019-04-30 | 严铜 | A kind of 3D printer emergency stop circuit |
| CN109291054A (en) * | 2018-11-19 | 2019-02-01 | 炬星科技（深圳）有限公司 | Robot emergency stop control circuit |
| CN109291054B (en) * | 2018-11-19 | 2024-02-20 | 炬星科技（深圳）有限公司 | Robot scram control circuit |
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