CN209312678U - A kind of contacts of contactor monitoring device and the contactor that the device is set - Google Patents
A kind of contacts of contactor monitoring device and the contactor that the device is set Download PDFInfo
- Publication number
- CN209312678U CN209312678U CN201822019332.0U CN201822019332U CN209312678U CN 209312678 U CN209312678 U CN 209312678U CN 201822019332 U CN201822019332 U CN 201822019332U CN 209312678 U CN209312678 U CN 209312678U
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- Prior art keywords
- contactor
- voltage
- voltage sensor
- controller
- monitoring device
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Abstract
The utility model provides a kind of contacts of contactor monitoring device and the contactor that the device is arranged, and contact monitoring device includes controller and first voltage sensor；Controller is connect with first voltage sensor, and first voltage sensor connection contactor body contact part is used to connect one end of load, for detecting the voltage of contact part；Controller is also connected with second voltage sensor, and second voltage sensor connects the coiler part of contactor ontology, for detecting the voltage at contactor ontology coiler part both ends；Controller is used to judge whether the contact part of the contactor ontology exception occurs according to the signal that first voltage sensor and second voltage sensor detect.Technical solution provided by the utility model, it can judge whether the contact part of contactor exception occurs according to the voltage of contactor coil portion voltage and contact part, and solve the problems, such as that reliability is poor when judging whether contacts of contactor part exception occurs in the prior art.
Description
Technical field
The utility model belongs to contactor safety monitoring technology field, and in particular to a kind of contacts of contactor monitoring device and
The contactor of the device is set.
Background technique
Contactor refers to using electromagnetic induction principle, flows through current induced magnetic field in coil, makes contact closure, to reach control
The equipment for making load.D.C. contactor is one kind of contactor, is made of electromagnetic system, contact system and arc-control device, extensively
Applied to industry and automotive field.
But D.C. contactor in use heavy current impact, unstable control voltage and it is some other due to
The phenomenon that will appear contact adhesion, causes machine out of control, or even also will cause mechanical accident and personal injury accident.So needing
Real-time monitoring is carried out to the state of contacts of contactor, needs to issue alarm signal in time when finding that contactor state occurs abnormal
And general supply is cut off, to reduce unnecessary loss.
Authorization Notice No. is that the Chinese utility model patent of CN207416555U discloses a kind of high voltage power distributing cabinet contactor
On-off judgment means connect the voltage sensor for detecting contacts of contactor both end voltage on the controller, pass through contactor
The voltage at contact part both ends judges whether the contact of contactor exception occurs.
In technical solution disclosed in above-mentioned patent document, controller, be according to contacts of contactor part both end voltage with
Controller issue control signal it is whether corresponding judge contacts of contactor movement whether exception, but in contactor coil portion
When the power supply line divided occurs abnormal, even if exception does not occur in contactor, contact part also can be inconsistent with control instruction,
Therefore this judgment mode has that reliability is poor.
Utility model content
The purpose of this utility model is to provide a kind of contacts of contactor monitoring devices, are sentencing in the prior art for solving
Whether disconnecting tentaculum contact part there is the problem that reliability is poor when exception；Correspondingly, the utility model additionally provides one kind
The contactor of contact monitoring device is set, for solving in the prior art when judging whether contacts of contactor part occurs abnormal
The poor problem of reliability.
To achieve the above object, technical solution provided by the utility model is:
A kind of contactor that contact monitoring device is set, including contactor ontology and contact monitoring device, the contact prison
Surveying device includes controller and first voltage sensor；The controller is connect with first voltage sensor, first voltage sensing
Device connects contactor body contact part for connecting one end of load, for detecting the voltage of contact part；
The controller is also connected with second voltage sensor, and second voltage sensor connects the coil part of contactor ontology
Point, for detecting the voltage at contactor ontology coiler part both ends；The controller is used for according to first voltage sensor and the
The signal that two voltage sensors detect judges whether the contact part of the contactor ontology exception occurs.
Technical solution provided by the utility model judges contactor according to the voltage of contacts of contactor part and coiler part
Whether the movement of contact part there is exception, even if can also sentence when the power supply line of contactor coil part occurs abnormal
Whether the contact part of disconnected contactor out there is exception, to solve judging whether contacts of contactor part goes out in the prior art
Reliability poor problem when now abnormal.
As the further improvement to contactor ontology, the contactor ontology is D.C. contactor.
As the further improvement to contact monitoring device, the controller is also connected with alarm, when the touching of contactor
Point part can timely issue alarm signal when occurring abnormal.
As the further improvement to contactor bulk line circle part, the supply lines of the coiler part of the contactor ontology
Road is provided with controllable switch, and the controller connects the control section of the controllable switch, in the contact part of contactor ontology
When occurring abnormal, it is capable of the coiler part power-off of timely control contactor ontology, prevents damage caused by contact part exception.
A kind of contacts of contactor monitoring device, including controller and first voltage sensor；The controller and the first electricity
Pressure sensor connection, first voltage sensor are used to be arranged in contacts of contactor part to be measured for connecting one end of load, use
In the voltage of detection contact part；
The controller is also connected with second voltage sensor, and second voltage sensor is for being arranged in contactor to be measured
Coiler part, for detecting the voltage at contactor coil part both ends；The controller be used for according to first voltage sensor and
The signal that second voltage sensor detects judges whether the contact part of contactor to be measured exception occurs.
As the further improvement to contact monitoring device, the controller is also connected with alarm, when the touching of contactor
Point part can timely issue alarm signal when occurring abnormal.
Detailed description of the invention
Fig. 1 is the structure principle chart that the contactor of contact monitoring device is arranged in the utility model embodiment；
Fig. 2 be the utility model embodiment in controller judge contactor body contact part whether the logic of contact fault
Figure；
Fig. 3 is the structural principle that the contactor of setting contact monitoring device of alarm is equipped in the utility model embodiment
Figure；
Fig. 4 is the structural principle that the contactor of setting contact monitoring device of relay is equipped in the utility model embodiment
Figure；
Fig. 5 is the structural schematic diagram of voltage sensor in the utility model embodiment.
Specific embodiment
The purpose of this utility model is to provide a kind of contacts of contactor monitoring devices, are sentencing in the prior art for solving
Whether disconnecting tentaculum contact part there is the problem that reliability is poor when exception；Correspondingly, the utility model additionally provides one kind
The contactor of contact monitoring device is set, for solving in the prior art when judging whether contacts of contactor part occurs abnormal
The poor problem of reliability.
To achieve the above object, technical solution provided by the utility model is:
A kind of contactor that contact monitoring device is set, including contactor ontology and contact monitoring device, the contact prison
Surveying device includes controller and first voltage sensor；The controller is connect with first voltage sensor, first voltage sensing
Device connects contactor body contact part for connecting one end of load, for detecting the voltage of contact part；
The controller is also connected with second voltage sensor, and second voltage sensor connects the coil part of contactor ontology
Point, for detecting the voltage at contactor ontology coiler part both ends；The controller is used for according to first voltage sensor and the
The signal that two voltage sensors detect judges whether the contact part of the contactor ontology exception occurs.
The technical solution of the utility model is described further With reference to embodiment.
Contactor embodiment:
The present embodiment provides it is a kind of be arranged contact monitoring device contactor, for judge contactor contact part whether
There is exception, prevents as contacts of contactor part exception and damage caused by the system where contactor.
The contactor of setting contact monitoring device provided by the present embodiment, structure is as shown in Figure 1, include contactor sheet
Body and contact monitoring device, wherein contactor ontology includes contact part and coiler part, passes through the electric current of control coil part
Control the movement of contact part.
Contact monitoring device includes controller, and controller is connected with first voltage sensor and second voltage sensor,
Middle first voltage sensor is connect with the rear end of contactor body contact part, i.e., with contactor body contact part for connecting
One end of load connects, for detecting the voltage of contact part rear end；Second voltage sensor and contactor ontology coiler part
Both ends connection, the voltage for detection coil part both ends.Controller is sensed according to first voltage sensor and second voltage
The information that device detects judges whether the contact part of contactor ontology exception occurs, and the process of judgement is as shown in Fig. 2, specific
Are as follows:
By the collected information of voltage of second voltage sensor, judge that the voltage at contactor ontology coiler part both ends is
The no pick-up voltage (i.e. the operation voltage of contactor ontology) less than contactor ontology；
If it is not, then judging contactor body contact portion by the collected information of voltage of first voltage sensor
Whether the voltage of point rear end is equal to its front voltage, i.e. the contactor body contact part voltage that is used to connect one end of power supply；
If be equal to, it is judged as that the contact part of contactor ontology is normal；Otherwise, then it is judged as that the contact portion of contactor ontology separates
Existing tripping failure；
If it is less, judging contactor body contact part by the collected information of voltage of first voltage sensor
Whether the voltage of rear end is zero；If it is zero, it is judged as that the contact part of contactor ontology is normal；Otherwise, it is judged as contact
There is malfunction failure in the contact part of device ontology.
As the further improvement to the provided technical solution of the present embodiment, in order to occur in contactor body contact part
Alarm signal is issued when tripping or malfunction, alarm is additionally provided in the present embodiment, as shown in Figure 3；Controller and alarm
Control terminal connection, when controller judges that tripping or malfunction occur for contactor ontology, control alarm issues corresponding alarm
Signal.
As the further improvement to the provided technical solution of the present embodiment, in order to occur in contactor body contact part
Contactor ontology is timely closed when tripping or malfunction, is additionally provided with relay in the power supply line of contactor ontology coiler part
Device, as shown in figure 4, controller connects the coiler part of the relay, the contact part of relay is arranged in contactor bulk line
It encloses in the power supply line of part, when controller judges that tripping or malfunction occurs in contactor body contact part, timely controls
The contact part of relay processed disconnects；As other embodiments, other such as thyristors, switching tube controllable switch can be used.
In technical solution provided by the present embodiment, first voltage sensor is identical with the structure of second voltage sensor,
Include corresponding resistor voltage divider circuit and amplifier, as shown in figure 5, wherein bleeder circuit be resistance R1 and resistance R2 series connection and
At bleeder circuit, both ends are separately connected the both ends of part to be measured；The tie point of resistance R1 and resistance R2 are dividing point, partial pressure
The inverting input terminal of point connection amplifier U1, the positive input end grounding of amplifier U1.
Installation practice:
The present embodiment provides the contacts in a kind of contact monitoring device of contactor, with above-mentioned contactor embodiment to monitor dress
It sets identical；The contact monitoring device is discussed in detail in above-mentioned contactor embodiment, seldom explains here.
Claims (6)
1. a kind of contactor that contact monitoring device is arranged, including contactor ontology and contact monitoring device, the contact monitoring
Device includes controller and first voltage sensor；The controller is connect with first voltage sensor, first voltage sensor
Contactor body contact part is connected for connecting one end of load, for detecting the voltage of contact part；
It is characterized in that, the controller is also connected with second voltage sensor, second voltage sensor connects contactor ontology
Coiler part, for detecting the voltage at contactor ontology coiler part both ends；The controller according to first voltage for passing
The signal that sensor and second voltage sensor detect judges whether the contact part of the contactor ontology exception occurs.
2. the contactor of setting contact monitoring device according to claim 1, which is characterized in that the contactor ontology is
D.C. contactor.
3. the contactor of setting contact monitoring device according to claim 1 or 2, which is characterized in that the controller is also
It is connected with alarm.
4. a kind of contactor that contact monitoring device is arranged according to claim 1, which is characterized in that the contactor sheet
Controllable switch is provided in the power supply line of the coiler part of body, the controller connects the control section of the controllable switch.
5. a kind of contacts of contactor monitoring device, including controller and first voltage sensor；The controller and first voltage
Sensor connection, first voltage sensor are used to be arranged in contacts of contactor part to be measured for connecting one end of load, are used for
Detect the voltage of contact part；
It is characterized in that, the controller is also connected with second voltage sensor, second voltage sensor is for being arranged to be measured
The coiler part of contactor, for detecting the voltage at contactor coil part both ends；The controller is used for according to first voltage
The signal that sensor and second voltage sensor detect judges whether the contact part of contactor to be measured exception occurs.
6. contacts of contactor monitoring device according to claim 5, which is characterized in that the controller is also connected with alarm
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019332.0U CN209312678U (en) | 2018-12-03 | 2018-12-03 | A kind of contacts of contactor monitoring device and the contactor that the device is set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019332.0U CN209312678U (en) | 2018-12-03 | 2018-12-03 | A kind of contacts of contactor monitoring device and the contactor that the device is set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312678U true CN209312678U (en) | 2019-08-27 |
Family
ID=67675413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822019332.0U Expired - Fee Related CN209312678U (en) | 2018-12-03 | 2018-12-03 | A kind of contacts of contactor monitoring device and the contactor that the device is set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209312678U (en) |
-
2018
- 2018-12-03 CN CN201822019332.0U patent/CN209312678U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20201203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |