CN209298873U - Driving acts automatic emergency stop circuit out of control - Google Patents
Driving acts automatic emergency stop circuit out of control Download PDFInfo
- Publication number
- CN209298873U CN209298873U CN201920121259.XU CN201920121259U CN209298873U CN 209298873 U CN209298873 U CN 209298873U CN 201920121259 U CN201920121259 U CN 201920121259U CN 209298873 U CN209298873 U CN 209298873U
- Authority
- CN
- China
- Prior art keywords
- contactor
- circuit
- emergency stop
- control
- main
- 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.)
- Active
Links
Landscapes
- Stopping Of Electric Motors (AREA)
Abstract
The utility model discloses a kind of drivings to act automatic emergency stop circuit out of control, it includes contactor major loop, contactor control loop, main contactor KM0, contactor KM1 and contactor KM2；The contactor major loop is connected with contactor control loop by main contactor KM0, contactor KM1 and contactor KM2；The contactor control loop includes the main contactor control circuit being connected in parallel and contactor adhesion detection emergency stop circuit.The driving that the utility model obtains acts automatic emergency stop circuit out of control, emergency stop circuit is formed using the auxiliary contact and linked switch of intermediate relay cooperation contactor, control power supply can be voluntarily cut off when driving a vehicle out of control, stop driving running and alarm, avoid the generation of accident, route is simple and reliable, and repacking is convenient and cost is relatively low.
Description
Technical field
The utility model relates to a kind of equipment emergency stop circuit, especially a kind of driving acts automatic emergency stop circuit out of control.
Background technique
Contactor is one of most important control electric appliance in Electric Traction, and major function is for the logical of power supply system
It is disconnected, it in actual use, is driven a vehicle and is needed due to equipment, carry out start and stop and positive and negative rotation, the touching of contactor to control motor
Point often carries out continually on-off, hard contact and continually bears biggish starting current, easily leads to the generation of contact adhesion,
To make circuitry can not normal on-off driving will be made beyond predetermined stroke if circuit cannot be cut off in time, drive goods
Object, material etc. are collided, are damaged, or even are caused casualties；Existing contacts of contactor adhesion protective device, usually uses
The mode of monitoring voltage carries out, complex circuit, higher cost.
Utility model content
There is provided purpose of the utility model is to solve above-mentioned the deficiencies in the prior art a kind of route is simple, cost compared with
Low and good reliability driving acts automatic emergency stop circuit out of control.
To achieve the goals above, driving designed by the utility model acts automatic emergency stop circuit out of control, it includes connecing
Tentaculum major loop, contactor control loop, main contactor KM0, contactor KM1 and contactor KM2；The contactor major loop and
Contactor control loop passes through main contactor KM0, contactor KM1 and contactor KM2 connection；The contactor control loop includes
There are the main contactor control circuit being connected in parallel and contactor adhesion detection emergency stop circuit.
The contactor major loop includes circuit breaker Q F1, main contactor main contacts KM0 and the motor drive for being connected with three phase mains
Dynamic circuit, the one end the circuit breaker Q F1 is connected with main contactor main contacts KM0-1, the other end and motor of the main contacts KM0-1
Driving circuit connection, the motor-drive circuit includes contactor KM1, contactor KM2, main circuit electrothermal relay FR1 and three-phase
Motor M2；In motor-drive circuit, the contactor main contacts of the contactor main contacts KM1-1 and contactor KM2 of contactor KM1
After KM2-1 is connected in parallel, connect with main circuit electrothermal relay FR1, the other end and three-phase electricity of the main circuit electrothermal relay FR1
Machine M2 is connected in series；The contactor KM1 and contactor KM2 is respectively used to the forward and reverse rotation of control three-phase motor M2；
In addition, on the contactor major loop of the present apparatus can one to three motor-drive circuits in parallel simultaneously, for controlling driving more
Movement on a direction.
The main contactor control circuit includes main contactor auxiliary contact KM0-2, intermediate relay normally-closed contact KA1-
1, control circuit electrothermal relay FR2, scram button SB2 and main contactor coil KM0-0, the main contactor auxiliary contact KM0-
Button switch SB1 is also parallel on 2；The scram button is for manually stopping motor rotation.
In order to which when contact adhesion occurs for contactor, emergency stop, the contactor adhesion detect emergency stop circuit including three immediately
Parallel branch, wherein the first branch includes concatenated contactor coil KM1-0 and the first linked switch normally opened contact SB3-1,
Second branch includes concatenated contactor coil KM2-0 and the second linked switch normally opened contact SB4-1, and third branch is by connecing
After tentaculum auxiliary contact KM1-2 is in parallel with contactor auxiliary contact KM2-2, then with the first linked switch normally-closed contact SB3-2,
Two linked switch normally-closed contact SB4-2 and intermediate relay coil KA1-0 are connected in series；When contactor major loop is equipped with plural number
When a motor-drive circuit, the contactor adhesion detection emergency stop circuit in parallel for being equipped with identical quantity in contactor control loop.
In order to remind staff to handle in time after emergency stop, have in contactor adhesion detection emergency stop circuit loong shunt
One warning circuit, the warning circuit have intermediate relay normally opened contact KA1-2 and buzzer HA1 to be composed in series.
The driving that the utility model obtains acts automatic emergency stop circuit out of control, utilizes the auxiliary of intermediate relay cooperation contactor
It helps contact and linked switch to form emergency stop circuit, control power supply can be voluntarily cut off when driving a vehicle out of control, stops driving and runs and report
It is alert, the generation of accident is avoided, route is simple and reliable, and repacking is convenient and cost is relatively low.
Detailed description of the invention
Fig. 1 is the circuit structure block diagram that the utility model driving acts automatic emergency stop circuit embodiments 1 out of control；
Fig. 2 is the electrical schematic diagram of contactor control loop in embodiment 1；
Fig. 3 is the electrical schematic diagram of contactor major loop in embodiment 1；
Fig. 4 is that the utility model driving acts main contactor KM0, contactor KM1 and contact in automatic emergency stop circuit out of control
The structure principle chart of device KM2；
Fig. 5 is the electrical original that the utility model driving acts contactor major loop in automatic emergency stop circuit embodiments 2 out of control
Reason figure；
Fig. 6 is the circuit structure block diagram of contactor control loop in embodiment 2；
Fig. 7 is that the utility model driving acts the electrical of contactor control loop in automatic emergency stop circuit embodiments 3 out of control
Schematic diagram.
In figure: contactor major loop 1, contactor control loop 2, motor-drive circuit 11, the second motor-drive circuit 12,
Third motor-drive circuit 13, main contactor control circuit 21, contactor adhesion detection emergency stop circuit 22, warning circuit 23, the
Two emergency stop circuits 24, third emergency stop circuit 25, the first branch 221, second branch 222, third branch 223.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1:
The driving of the present embodiment description acts automatic emergency stop circuit out of control, as shown in Figure 1, it include contactor major loop 1,
Contactor control loop 2, main contactor KM0, contactor KM1 and contactor KM2；The contactor major loop 1 and contactor control
Circuit 2 processed passes through main contactor KM0, contactor KM1 and contactor KM2 connection；As shown in Fig. 2, the contactor control loop 2
It include the main contactor control circuit 21 being connected in parallel and contactor adhesion detection emergency stop circuit 22.
As shown in figure 3, the contactor major loop 1 includes circuit breaker Q F1, the main contactor main contacts for being connected with three phase mains
KM0 and motor-drive circuit 11, the one end the circuit breaker Q F1 are connected with main contactor main contacts KM0-1, the main contacts
The other end of KM0-1 is connect with motor-drive circuit 11, the motor-drive circuit 11 include contactor KM1, contactor KM2,
Main circuit electrothermal relay FR1 and three-phase motor M2；In motor-drive circuit 11, the contactor main contacts KM1-1 of contactor KM1
After being connected in parallel with the contactor main contacts KM2-1 of contactor KM2, connect with main circuit electrothermal relay FR1, the main circuit heat
The other end and three-phase motor M2 of relay FR1 is connected in series；The contactor KM1 and contactor KM2 are respectively used to control three
The forward and reverse of phase motor M2 rotates.
As shown in Fig. 2, the main contactor control circuit 21 includes main contactor auxiliary contact KM0-2, intermediate relay
Normally-closed contact KA1-1, control circuit electrothermal relay FR2, scram button SB2 and main contactor coil KM0-0, the main contactor
Button switch SB1 is also parallel on auxiliary contact KM0-2；The scram button is for manually stopping motor rotation.
For the emergency stop immediately when contact adhesion occurs for contactor, as shown in Fig. 2, contactor adhesion detection emergency stop electricity
Road 22 includes three parallel branches, and wherein the first branch 221 includes concatenated contactor coil KM1-0 and the first linked switch
Normally opened contact SB3-1, second branch 222 include concatenated contactor coil KM2-0 and the second linked switch normally opened contact
SB4-1, third branch 223 be by contactor auxiliary contact KM1-2 it is in parallel with contactor auxiliary contact KM2-2 after, then with first
Linked switch normally-closed contact SB3-2, the second linked switch normally-closed contact SB4-2 and intermediate relay coil KA1-0 are connected in series.
In practical work process, by taking three-phase motor M2 rotating forward as an example, when circuit works normally, in confirmation other elements
After normal work, by lower button SB1, main contactor coil KM0-0 is connected, to make the main contactor to link in contactor
Main contacts KM0-1 and main contactor auxiliary contact KM0-2 closure；Pressing is closed the first linked switch normally opened contact SB3-1, the
One linked switch normally-closed contact SB3-2 is disconnected, to make contactor coil KM1-0 be connected, to be in contactor major loop 1
Contactor main contacts KM1-1 closure, motor M2 starts Positive work and intermediate relay coil KA1-0 not energized action at this time；
Since in main contactor KM0, contactor KM1 and contactor KM2, main contacts and auxiliary contact mutually link respectively, such as Fig. 4
Shown, therefore, by taking contact adhesion occurs for contactor KM1 as an example, when needing to stop, release button keeps the first linked switch normally opened
Contact SB3-1 is disconnected, the first linked switch normally-closed contact SB3-2 closure, contactor coil KM1-0 power loss, at this time due to occurring
Contact adhesion, contactor auxiliary contact KM1-2 will not be disconnected with coil losing electricity, be obtained so as to cause intermediate relay coil KA1-0
Electricity, while intermediate relay normally-closed contact KA1-1 is disconnected, the main contactor control circuit 21 disconnects, main contactor coil
KM0-0 power loss, so that the power supply of contactor major loop 1 is cut off, to achieve the purpose that emergency stop.
Driving provided in this embodiment acts automatic emergency stop circuit out of control, utilizes the auxiliary of intermediate relay cooperation contactor
Contact and linked switch form emergency stop circuit, and control power supply can be voluntarily cut off when driving a vehicle out of control, stops driving operation, avoids thing
Therefore generation, route is simple and reliable, and repacking is convenient and cost is relatively low.
Embodiment 2:
The driving of the present embodiment description acts automatic emergency stop circuit out of control, as shown in figure 5, in addition to the feature described in the embodiment 1,
The second motor-drive circuit 12, third motor-drive circuit 13 are parallel with by motor-drive circuit 11, wherein the second motor drives
Dynamic circuit 12 includes contactor KM3, contactor KM4, main circuit electrothermal relay FR3 and three-phase motor M3；In motor-drive circuit
In 12, after the contactor main contacts KM4-1 of the contactor main contacts KM3-1 and contactor KM4 of contactor KM3 are connected in parallel, with
Main circuit electrothermal relay FR3 series connection, the other end and three-phase motor M3 of the main circuit electrothermal relay FR3 are connected in series；It is described
Contactor KM3 and contactor KM4 is respectively used to the forward and reverse rotation of control three-phase motor M3；Third motor-drive circuit 13
Including contactor KM5, contactor KM6, main circuit electrothermal relay FR4 and three-phase motor M4；In third motor-drive circuit 13,
After the contactor main contacts KM6-1 of the contactor main contacts KM5-1 and contactor KM6 of contactor KM5 are connected in parallel, with main circuit
Electrothermal relay FR4 series connection, the other end and three-phase motor M4 of the main circuit electrothermal relay FR4 are connected in series；The contactor
KM5 and contactor KM6 is respectively used to the forward and reverse rotation of control three-phase motor M4.
As shown in fig. 6, being parallel with, being used for by contactor adhesion detection emergency stop circuit 22 in addition to the feature described in the embodiment 1
Detect the second emergency stop circuit 24 of control contactor KM3 and contactor KM4 and for detecting control contactor KM5 and contactor
The third emergency stop circuit 25 of KM6 contact adhesion.
In actual use, when contact adhesion occurs for contactor KM1 or contactor KM2, by adhesion detection emergency stop electricity
Road 22 controls, and contactor major loop 1 is made to power off emergency stop；When contact adhesion occurs for contactor KM3 or contactor KM4, by second
Emergency stop circuit 24 controls, and contactor major loop 1 is made to power off emergency stop；Contact adhesion occurs in contactor KM5 or contactor KM6
When, it is controlled by third emergency stop circuit 25, contactor major loop 1 is made to power off emergency stop.
Embodiment 3:
The driving of the present embodiment description acts automatic emergency stop circuit out of control, as shown in fig. 7, in addition to the feature described in the embodiment 1,
In order to remind staff to handle in time after emergency stop, there is an alarm in contactor adhesion detection 22 loong shunt of emergency stop circuit
Circuit 23, the warning circuit 23 have intermediate relay normally opened contact KA1-2 and buzzer HA1 to be composed in series.
In practical work process, when intermediate relay coil KA1-0 obtains electric, intermediate relay normally opened contact at this time
KA1-2 closure, makes buzzer HA1 obtain electric sending sound.
Driving provided in this embodiment acts automatic emergency stop circuit out of control, is additionally arranged warning circuit 23, can be in contactor
Adhesion occur when and alarm, avoid the maloperation of next step.
Claims (7)
1. a kind of driving acts automatic emergency stop circuit out of control, it includes contactor major loop (1), contactor control loop (2), master
Contactor KM0, contactor KM1 and contactor KM2；It is characterized in that the contactor major loop (1) and contactor control loop (2)
Pass through main contactor KM0, contactor KM1 and contactor KM2 connection；The contactor control loop (2) includes to be connected in parallel
Main contactor control circuit (21) and contactor adhesion detection emergency stop circuit (22).
2. driving according to claim 1 acts automatic emergency stop circuit out of control, it is characterized in that the contactor major loop (1)
Circuit breaker Q F1, main contactor main contacts KM0 and motor-drive circuit (11) including being connected with three phase mains, the circuit breaker Q F1
One end is connected with main contactor main contacts KM0-1, and the other end of the main contacts KM0-1 is connect with motor-drive circuit (11), institute
Stating motor-drive circuit (11) includes contactor KM1, contactor KM2, main circuit electrothermal relay FR1 and three-phase motor M2；In electricity
In drive circuit (11), the contactor main contacts KM2-1 of the contactor main contacts KM1-1 and contactor KM2 of contactor KM1 are simultaneously
It after connection connection, connects with main circuit electrothermal relay FR1, the other end and three-phase motor M2 of the main circuit electrothermal relay FR1 is gone here and there
Connection connection.
3. driving according to claim 1 or 2 acts automatic emergency stop circuit out of control, it is characterized in that the main contactor controls
Circuit (21) includes main contactor auxiliary contact KM0-2, intermediate relay normally-closed contact KA1-1, control circuit electrothermal relay
Button is also parallel on FR2, scram button SB2 and main contactor coil KM0-0, the main contactor auxiliary contact KM0-2 to open
Close SB1.
4. driving according to claim 1 or 2 acts automatic emergency stop circuit out of control, it is characterized in that the contactor adhesion is examined
Surveying emergency stop circuit (22) includes three parallel branches, wherein the first branch (221) include concatenated contactor coil KM1-0 with
First linked switch normally opened contact SB3-1, second branch (222) include the linkage of concatenated contactor coil KM2-0 and second
Switch normally opened contact SB4-1, third branch (223) be by contactor auxiliary contact KM1-2 and contactor auxiliary contact KM2-2 simultaneously
After connection, then with the first linked switch normally-closed contact SB3-2, the second linked switch normally-closed contact SB4-2 and intermediate relay coil
KA1-0 is connected in series.
5. driving according to claim 3 acts automatic emergency stop circuit out of control, it is characterized in that the contactor adhesion detects
Emergency stop circuit (22) includes three parallel branches, and wherein the first branch (221) includes concatenated contactor coil KM1-0 and the
One linked switch normally opened contact SB3-1, second branch (222) include that concatenated contactor coil KM2-0 is opened with the second linkage
Normally opened contact SB4-1 is closed, third branch (223) is in parallel with contactor auxiliary contact KM2-2 by contactor auxiliary contact KM1-2
Afterwards, then with the first linked switch normally-closed contact SB3-2, the second linked switch normally-closed contact SB4-2 and intermediate relay coil
KA1-0 is connected in series.
6. driving according to claim 4 acts automatic emergency stop circuit out of control, it is characterized in that being examined in the contactor adhesion
Surveying emergency stop circuit (22) loong shunt has a warning circuit (23), and the warning circuit (23) is by intermediate relay normally opened contact KA1-
2 and buzzer HA1 is composed in series.
7. driving according to claim 5 acts automatic emergency stop circuit out of control, it is characterized in that being examined in the contactor adhesion
Surveying emergency stop circuit (22) loong shunt has a warning circuit (23), and the warning circuit (23) is by intermediate relay normally opened contact KA1-
2 and buzzer HA1 is composed in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121259.XU CN209298873U (en) | 2019-01-24 | 2019-01-24 | Driving acts automatic emergency stop circuit out of control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121259.XU CN209298873U (en) | 2019-01-24 | 2019-01-24 | Driving acts automatic emergency stop circuit out of control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209298873U true CN209298873U (en) | 2019-08-23 |
Family
ID=67642617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920121259.XU Active CN209298873U (en) | 2019-01-24 | 2019-01-24 | Driving acts automatic emergency stop circuit out of control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209298873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120811A1 (en) * | 2020-12-11 | 2022-06-16 | 武汉路特斯汽车有限公司 | Vehicle emergency braking control circuit and vehicle |
-
2019
- 2019-01-24 CN CN201920121259.XU patent/CN209298873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120811A1 (en) * | 2020-12-11 | 2022-06-16 | 武汉路特斯汽车有限公司 | Vehicle emergency braking control circuit and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209298873U (en) | Driving acts automatic emergency stop circuit out of control | |
| CN203472564U (en) | Manual high-voltage power cutoff device of electric vehicle | |
| CN102882452B (en) | Micro-power consumption singlechip-based control device and method for high-voltage direct current motor | |
| CN205638702U (en) | Protect function's with voltage diesel engine monitoring system | |
| CN207847907U (en) | A kind of air compressor machine anomaly alarming device | |
| CN106246773A (en) | Wind generating set yaw brake bush and abrasion alarming system thereof | |
| CN206595621U (en) | A kind of manipulator livewire work part flow arrangement | |
| CN203270659U (en) | Safe starting control system of excavator | |
| CN106154161B (en) | Traction motor no-load test equipment | |
| CN104009700A (en) | Yarn detection and control circuit of strength tester | |
| CN204425033U (en) | A kind of emergency lighting automatic switchover system | |
| CN211793088U (en) | Electric pruning shears driven by brushless DC motor | |
| CN204316387U (en) | conveying belt control device | |
| CN106783363A (en) | A kind of high breaking ammeter external breaker control system | |
| CN204035284U (en) | Pipe pressing device and control circuit thereof | |
| CN102465759A (en) | Automatic diesel generator set | |
| CN205503360U (en) | Miniature wind power generation system | |
| CN106877227B (en) | A kind of manipulator livewire work part flow arrangement | |
| CN205992043U (en) | Traction electric machine no-load test equipment | |
| CN205941826U (en) | Motor test system | |
| CN201980924U (en) | Driving control system of electric hoist | |
| CN220795694U (en) | Robot anti-slip control system and mobile robot | |
| CN104793087B (en) | A kind of method of testing of direct current drive executing agency test system | |
| CN213511327U (en) | Transformer cooling fan control circuit based on electric contact thermometer | |
| CN109672368B (en) | Voltage-reducing starting control device for frequency-sensitive rheostat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |