CN207663991U - A kind of relay adhesion warning circuit - Google Patents
A kind of relay adhesion warning circuit Download PDFInfo
- Publication number
- CN207663991U CN207663991U CN201820060366.1U CN201820060366U CN207663991U CN 207663991 U CN207663991 U CN 207663991U CN 201820060366 U CN201820060366 U CN 201820060366U CN 207663991 U CN207663991 U CN 207663991U
- Authority
- CN
- China
- Prior art keywords
- relay
- controller
- power supply
- connect
- alarm
- 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
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model is related to a kind of relay adhesion warning circuits, including：Controller, power supply, alarm, relay and electrical equipment；Controller is connect with the coil of power supply, alarm and relay respectively；The motor of electrical equipment, the contact of relay and power supply, which are sequentially connected, constitutes circuit, and the both ends of the motor of electrical equipment are also connect with controller respectively.The utility model is by the way of controller, alarm and controller and the connection of the motor positive and negative anodes of electrical equipment, controller is after the coil blackout to relay, the voltage between the motor positive and negative anodes of electrical equipment can be acquired, when relay such as sticks together at the failures, its contact is not turned off, then the voltage between the collected motor positive and negative anodes of controller is not 0, cause great security risk, therefore, controller is powered to alarm, so that alarm sends out alarm, user has been prompted, has prevented personnel from accidentally touching equipment and causing casualty accident.
Description
Technical field
The utility model is related to electric vehicle engineering field more particularly to a kind of relay adhesion warning circuits.
Background technology
Currently, with the development of science and technology, the electrical equipment in life is more, in circuit include relay, with
Realize the lower electricity of intelligence and power on, and in electricity under controller controls relay, relay often due to adhesion in actual circuit still
There is electricity, causes security risk.For example, pure electric automobile high-tension circuit voltage may be up to 600V or more, this high-tension circuit mostly by
High-voltage relay controls its break-make, if ECU has given lower high pressure to instruct, but the practical non-cutoff high due to relay adhesion, this
When people be easy to take for having broken high-voltage electricity and remove touching high-tension apparatus, so as to cause casualties.
Utility model content
Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, it is viscous to provide a kind of relay
Even warning circuit.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of relay adhesion warning circuit, including：
Controller, power supply, alarm, relay and electrical equipment；
The controller 110 connects with the coil of the relay 140, the power supply 120 and the alarm 130 respectively
It connects；
The motor of the electrical equipment, the contact of the relay and the power supply, which are sequentially connected, constitutes circuit, the use
The both ends of the motor of electric equipment are also connect with the controller respectively.
The utility model has the beneficial effects that：In a kind of relay adhesion warning circuit provided by the utility model, use
The mode of controller, alarm and controller and the connection of the motor positive and negative anodes of electrical equipment, controller is in the line to relay
After circle power-off, the voltage between the motor positive and negative anodes of electrical equipment can be acquired, under normal circumstances, after coil blackout, electrical equipment
Motor, relay contact and power supply be sequentially connected the circuit of composition and can power off, the collected motor positive and negative anodes in controller road
Between voltage be 0, and when relay failures, the contact such as stick together is not turned off, at this point, still there is electricity in above-mentioned circuit, then
Voltage between the collected motor positive and negative anodes of controller is not 0, causes great security risk, and therefore, controller is to alarm
Device is powered so that alarm sends out alarm, has prompted user, prevents personnel from accidentally touching equipment and causing casualty accident.
Based on the above technical solution, the utility model can also do following improvement：
Further, the power supply is accumulator.
The further advantageous effect of the utility model is：Power supply can be accumulator so that the warning circuit can be applied to
In any low-voltage circuit, due to low-voltage circuit as the adhesion of relay causes electric shock accidents, the warning circuit
Application range is wider.
Further, the power supply includes accumulator and power battery, then the relay is high-voltage relay；
The controller is connect with the accumulator；
The motor of the electrical equipment, the contact of the high-voltage relay and the power battery are sequentially connected and constitute back
Road.
The further advantageous effect of the utility model is：Divide two-way power supply, device works normally low-tension supply in order to control all the way
Power supply, high voltage power supply (can be 500~600V voltages etc.) is power supply for electrical equipment all the way, therefore, can meet various electricity consumption scenes
Demand, the warning circuit can be prompted by way of light warning in the case of high-voltage relay adhesion driver or with
Vehicle personnel prevent personnel from takeing for high pressure and have descended electricity and touched high-tension apparatus and safety accident occurs.
Further, the alarm is indicator light or buzzer.
The further advantageous effect of the utility model is：It can be various from sending out according to actual high-voltage or low pressure applications scene
It selects, has wide range of applications in the alarm of the alarm of form.
Further, the contact of the relay is normally opened contact.
Further, the anode of the motor is connect with one end of the contact, the other end of the contact and the power supply
Anode connection, the cathode of the power supply connect with the cathode of the motor；Alternatively, the cathode of the motor and the contact
One end connects, and the other end of the contact is connect with the cathode of the power supply, the anode of the anode and the motor of the power supply
Connection；
The anode and cathode of the motor are also connect with the controller respectively.
Further, the controller is connect with the positive and negative anodes of the power supply respectively, or is connect simultaneously with the anode of the power supply
Ground connection；
One end of the coil of the relay is connect with the controller, and the other end of the coil is negative with the power supply
Pole connects or ground connection；
One end of the alarm is connect with the controller, and the other end connect or is grounded with the cathode of the power supply.
Description of the drawings
Fig. 1 is a kind of structure diagram for relay adhesion warning circuit 100 that one embodiment of the utility model provides；
Fig. 2 is a kind of structure diagram for relay adhesion warning circuit 100 that another embodiment of the utility model provides；
Fig. 3 is a kind of structure diagram for relay adhesion warning circuit 200 that another embodiment of the utility model provides.
In attached drawing, the element representated by each label is listed as follows：
110, controller, 120, power supply, 121, accumulator, 122, power battery, 130, alarm, 140, relay,
150, electrical equipment.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
Embodiment one
A kind of relay adhesion warning circuit 100, as shown in Figure 1, including：Controller 110, power supply 120, alarm 130,
Relay 140 and electrical equipment 150.Wherein,
Controller 110 is connect with the coil of relay 140, power supply 120 and alarm 130 respectively；The motor of electrical equipment,
The contact of relay and power supply, which are sequentially connected, constitutes circuit, and the both ends of the motor of electrical equipment are also connect with controller respectively.
In a kind of relay adhesion warning circuit provided in this embodiment, using controller, alarm and controller with
The mode of the motor positive and negative anodes connection of electrical equipment, controller can acquire electrical equipment after the coil blackout to relay
Voltage between motor positive and negative anodes, under normal circumstances, after coil blackout, the motor of electrical equipment, the contact of relay and power supply
Being sequentially connected the circuit of composition can power off, and the voltage between the collected motor positive and negative anodes in controller road is 0, and when relay is sent out
Failures, the contacts such as raw adhesion are not turned off, at this point, still there is electricity in above-mentioned circuit, then collected motor positive and negative anodes in controller road
Between voltage not be 0, cause great security risk, therefore, controller to alarm power so that alarm sends out report
It is alert, user has been prompted, has prevented personnel from accidentally touching equipment and causing casualty accident.
Embodiment two
On the basis of embodiment one, power supply is accumulator.
Power supply can be accumulator so that the warning circuit can be applied in any low-voltage circuit, due to low-voltage circuit
Can be because the adhesion of relay cause electric shock accidents, therefore, the application range of the warning circuit is wider.
Embodiment three
On the basis of embodiment one or embodiment two, as shown in Fig. 2, a kind of relay adhesion warning circuit 100, packet
It includes：Controller 110, power supply 120, alarm 130, relay 140 and electrical equipment 150.Power supply 120 includes accumulator 121
With power battery 122, then relay is high-voltage relay；Controller is connect with accumulator；Motor, the high-voltage relay of electrical equipment
The contact of device and power battery, which are sequentially connected, constitutes circuit.
Divide two-way power supply in the warning circuit, all the way low-tension supply device normal work power supply in order to control, all the way high voltage power supply
(can be 500~600V voltages etc.) be power supply for electrical equipment, therefore, can meet the needs of various electricity consumption scenes, the warning circuit
Driver or appliance crew can be prompted by way of light warning in the case of high-voltage relay adhesion, prevent personnel from missing
Think that high pressure has descended electricity and touched high-tension apparatus and safety accident occurs.
Example IV
In embodiment one to embodiment three on the basis of any embodiment, alarm is indicator light or buzzer.
It can be selected, applied from the alarm for sending out various forms of alarms according to actual high-voltage or low pressure applications scene
It is in extensive range.
Preferably, the contact of relay is normally opened contact.
Preferably, as shown in Fig. 2, the anode of motor is connect with one end of contact, the other end and power supply 120 of contact are just
Pole connects, and the cathode of power supply 120 and the cathode of motor connect；Alternatively, motor cathode and contact one end connect, contact it is another
One end is connect with the cathode of power supply 120, and the anode of power supply 120 is connect with the anode of motor.
The anode and cathode of motor are also connect with controller 110 respectively.
Preferably, it as shown in Fig. 2, controller is connect with the positive and negative anodes of power supply respectively, or with the anode of power supply connect and connects
Ground；One end of the coil of relay is connect with controller, the cathode connection of the other end and power supply of coil or ground connection；Alarm
One end is connect with controller, the cathode connection of the other end and power supply or ground connection.
For example, as shown in figure 3, a kind of relay adhesion warning circuit 200, including：Controller 210, power supply 220, alarm
Device 230, relay 240 and electrical equipment 250, wherein power supply 220 includes 24V accumulators 221 and power battery 222.Control
The first pin (output pin 1) of device (ECU) processed is connect with the cathode of 24V accumulators, the second pin (input pin of controller
2) it is connect with the anode of 24V accumulators；The third pin (output pin 3) of controller is connect with one end of the coil of relay,
The other end of the coil of relay is connect with the cathode of 24V accumulators；The contact of the motor anode 252 and relay of electrical equipment
One end connection, also connect with the 4th pin (input pin 4) of controller, the other end and power battery of the contact of relay
Anode connection, the electrode negative 251 of electrical equipment connect with the 5th pin (input pin 5) of controller, and and power electric
The cathode in pond connects.6th pin (output pin 6) of controller is connect with alarm, and alarm is also negative with accumulator 321
Pole connects.
ECU pins 1,2 are ECU working power power pins, and 4,5 pins are that the positive and negative extra-high voltage of motor monitors pin；ECU is managed
Foot 3 controls the actuation (output 24V+) of relay and disconnects (not exporting 24V+) and monitor potential difference between 2 points of a-b in real time；
After ECU instructs (pin 3 does not export 24V+) to lower electricity, potential difference is 0 between detecting a-b, then ECU judges that relay contact is normal
It disconnects, the pin 6 of ECU does not export 24V+, and relay adhesion alarm lamp does not work；In ECU, to lower electricity instruction, (pin 3 does not export 24V
+) after, potential difference is 600V (assuming that vehicle high pressure is 600V) between detecting a-b, then ECU judges relay contact adhesion, ECU
Pin 6 export 24V+, relay adhesion alarm lamp lights；To prompt driver or appliance crew's high-voltage relay adhesion, with
Just after-sale service personnel on site's maintenance process relay problem is notified.
Therefore, driver or appliance crew can be prompted in the case of relay adhesion, prevent personnel from accidentally touching high pressure
Equipment and cause casualty accident.Purpose is to prevent appliance crew from touching high-tension apparatus in the case of high-voltage relay adhesion and drawing
Send out safety accident.In the case of vehicle high-voltage relay adhesion by way of light warning it can prompt driver or with vehicle
Personnel prevent personnel from takeing for high pressure and have descended electricity and touched high-tension apparatus and safety accident occurs.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of relay adhesion warning circuit, which is characterized in that including：Controller (110), power supply (120), alarm
(130), relay (140) and electrical equipment (150)；
The controller (110) respectively with the coil of the relay (140), the power supply (120) and the alarm (130)
Connection；
The motor of the electrical equipment (150), the contact of the relay (140) and the power supply (120) are sequentially connected composition
The both ends in circuit, the motor of the electrical equipment (150) are also connect with the controller (110) respectively.
2. a kind of relay adhesion warning circuit according to claim 1, which is characterized in that the power supply (120) is to store
Battery (121).
3. a kind of relay adhesion warning circuit according to claim 1, which is characterized in that the power supply (120) includes
Accumulator (121) and power battery (122), then the relay (140) is high-voltage relay；
The controller (110) connect with the accumulator (121)；
The motor of the electrical equipment (150), the contact of the high-voltage relay and the power battery (122) are sequentially connected structure
At circuit.
4. a kind of relay adhesion warning circuit according to claim 1, which is characterized in that the alarm (130) is
Indicator light or buzzer.
5. a kind of relay adhesion warning circuit according to claim 1, which is characterized in that the relay (140)
Contact is normally opened contact.
6. a kind of relay adhesion warning circuit according to any one of claims 1 to 5, which is characterized in that the motor
Anode connect with one end of the contact, the positive of the other end of the contact and the power supply (120) connect, the power supply
(120) cathode is connect with the cathode of the motor；Alternatively, the cathode of the motor is connect with one end of the contact, it is described
The other end of contact is connect with the cathode of the power supply (120), and the anode of the power supply (120) connects with the anode of the motor
It connects；
The anode and cathode of the motor are also connect with the controller (110) respectively.
7. a kind of relay adhesion warning circuit according to any one of claims 1 to 5, which is characterized in that the control
Device (110) is connect with the positive and negative anodes of the power supply (120) respectively, or is connect and be grounded with the anode of the power supply (120)；
One end of the coil of the relay (140) is connect with the controller (110), the other end of the coil and the electricity
The cathode in source (120) connects or ground connection；
One end of the alarm (130) is connect with the controller (110), and the cathode of the other end and the power supply (120) connects
It connects or is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820060366.1U CN207663991U (en) | 2018-01-15 | 2018-01-15 | A kind of relay adhesion warning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820060366.1U CN207663991U (en) | 2018-01-15 | 2018-01-15 | A kind of relay adhesion warning circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207663991U true CN207663991U (en) | 2018-07-27 |
Family
ID=62945174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820060366.1U Active CN207663991U (en) | 2018-01-15 | 2018-01-15 | A kind of relay adhesion warning circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207663991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113963994A (en) * | 2021-10-15 | 2022-01-21 | 珠海格力电器股份有限公司 | Contactor that adhesion was reported to police |
-
2018
- 2018-01-15 CN CN201820060366.1U patent/CN207663991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113963994A (en) * | 2021-10-15 | 2022-01-21 | 珠海格力电器股份有限公司 | Contactor that adhesion was reported to police |
| CN113963994B (en) * | 2021-10-15 | 2022-10-21 | 珠海格力电器股份有限公司 | Contactor that adhesion was reported to police |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202120771U (en) | Multifunctional insulating rod | |
| CN204104173U (en) | Fire emergency and evacuation indication system | |
| WO2015131578A1 (en) | Circuit for prohibiting reverse connection of telecom power supply storage battery and telecom power supply control system | |
| CN202931014U (en) | Special-purpose emergency power supply system for intelligent energy-saving fire-fighting emergency lamp | |
| CN106571662A (en) | Electric vehicle and thermal runaway awakening circuit thereof | |
| CN207663991U (en) | A kind of relay adhesion warning circuit | |
| CN104527551B (en) | A kind of vehicle-mounted many power supplys automatic switchover electric power system | |
| CN203708170U (en) | Photovoltaic mobile power box | |
| CN107611794A (en) | Fire-fighting power distribution cabinet based on bas and fas monitoring systems | |
| CN102820695B (en) | Emergency power supply system special for intelligent energy-saving fire control emergency lamp | |
| CN107086613A (en) | A kind of N+M redundancy ups systems of distributed multiple subsystem composition | |
| CN208569006U (en) | Industrial direct current 24V uninterruption power source | |
| CN202094694U (en) | Automatic emergency conversion device for power supply of LED lamp set | |
| CN109524908A (en) | Substation's single battery isolating device with monitoring warning function | |
| CN104037752A (en) | Sensor power-supplying device used for ship | |
| CN205104984U (en) | Electronic excavator stand -by power supply system | |
| CN205120814U (en) | Rechargeable high -voltage electroscope | |
| CN204989386U (en) | Multichannel power supply system's detection circuitry | |
| CN206697919U (en) | The charging circuit and automobile of a kind of electrokinetic cell | |
| CN110289673A (en) | A kind of novel high-power solar energy municipal administration wisdom emergency power supply management system | |
| KR20080101585A (en) | Self-charging emergency light for wall-hanging charging equipment | |
| CN201138355Y (en) | Wide-region high-voltage circuit indicating equipment | |
| CN203553975U (en) | Special emergency power supply for firefighting equipment | |
| CN204190473U (en) | Anti-misoperation DC power distribution cabinet | |
| CN203503501U (en) | Air switch having safety caution function for overloading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |