CN205232010U - Electrical source controller of sales counter equipment - Google Patents
Electrical source controller of sales counter equipment Download PDFInfo
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- CN205232010U CN205232010U CN201521041459.2U CN201521041459U CN205232010U CN 205232010 U CN205232010 U CN 205232010U CN 201521041459 U CN201521041459 U CN 201521041459U CN 205232010 U CN205232010 U CN 205232010U
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- power
- voltage
- industrial computer
- control unit
- relay control
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Abstract
The utility model discloses an electrical source controller of sales counter equipment, include: power input connector, voltage detection unit, current detection unit, relay the control unit, power output interface. Fail the entry control signal through voltage detection unit and current detection unit to relay the control unit. The advantage lies in, can whether at power off, ensure that the industrial computer is in power off and just can makes the power input connector and the connecting circuit of power output interface break off through input the off signal to relay control module in order to judge the industrial computer through the sample voltage or the operating current that detect the industrial computer. Whole circuit design only need dispose a switch to the industrial computer and can implement, has saved material consumption and operation number of times. The hard shutdown damage of industrial computer has been avoided completely to avoid the wholesale loss of financial institution.
Description
Technical field
The utility model relates to a kind of power-supply controller of electric, particularly relates to a kind of power-supply controller of electric for financial sector counter equipment.
Background technology
The counter equipment of financial institution has a lot of Possum and function element, and generally all equipment and device are all controlled by an industrial computer.In the use of every day, all must carry out the operation of once electrification and power-off to sales counter all devices and device.If just directly cut off external power source before industrial computer does not shut down, irreversible damage can be caused to the hard disk of industrial computer and floppy disk system, can directly cause counter equipment to be paralysed time serious, cause huge financial loss.And power on/off method the most frequently used at present manual closes industrial computer in advance, manual disconnecting external power supply again after waiting industrial computer thoroughly to close.This method mainly contains two shortcomings, and 1) need manual operation, sometimes can be mistaken for closedown when industrial computer is not closed completely, and direct disconnecting external power supply, hard disk and floppy disk system will be damaged like this.2) two mains switches to be set altogether for industrial computer and external power source, and operation twice power on/off, cause the wasting of resources and manpower waste.
Utility model content
In order to solve the problems of the technologies described above, the utility model object is to provide a kind of power-supply controller of electric that automatically can detect industrial computer on off state.
The power-supply controller of electric of a kind of counter equipment described in the utility model, is characterized in that, comprising:
Power input interface, for being the operating voltage of external equipment by the voltage transitions of external input power, voltage input interface is leaded up to after relay control unit and is connected voltage output interface, and an other road connects the voltage input end of industrial computer;
Voltage detection unit, for detecting the sample amplitude when reproduced of industrial computer, exports first Continuity signal higher than during voltage threshold to relay control unit in sample amplitude when reproduced; Lower than during voltage threshold, the first cut-off signal is exported to relay control unit in sample amplitude when reproduced;
Relay control unit, for the first ON/OFF signal of receiver voltage detecting unit, is receiving the connecting circuit conducting of the first Continuity signal power input interface in season and power output interface; Disconnect at the connecting circuit receiving the first cut-off signal power input interface in season and power output interface;
Power output interface, for providing operating voltage to external equipment when circuit turn-on.
The power-supply controller of electric of a kind of counter equipment described in the utility model, is characterized in that, comprising:
Power input interface, for being the operating voltage of external equipment by the voltage transitions of external input power, voltage input interface is leaded up to after relay control unit and is connected voltage output interface, and an other road connects the voltage input end of industrial computer;
Current detecting unit, is serially connected with between power input interface and industrial computer voltage input end; For detecting the operating current of industrial computer, higher than during current threshold, the second Continuity signal is exported to relay control unit at operating current; Lower than during current threshold, the second cut-off signal is exported to relay control unit at operating current;
Relay control unit, for the second ON/OFF signal of received current detecting unit, is receiving the connecting circuit conducting of the second Continuity signal power input interface in season and power output interface; Disconnect at the connecting circuit receiving the second cut-off signal power input interface in season and power output interface;
Power output interface, for providing operating voltage to external equipment when circuit turn-on.
The power-supply controller of electric of a kind of counter equipment described in the utility model, is characterized in that, comprising:
Power input interface, for being the operating voltage of external equipment by the voltage transitions of external input power, voltage input interface is leaded up to after relay control unit and is connected voltage output interface, and an other road connects the voltage input end of industrial computer;
Voltage detection unit, for detecting the sample amplitude when reproduced of industrial computer, exports first Continuity signal higher than during voltage threshold to relay control unit in sample amplitude when reproduced; Lower than during voltage threshold, the first cut-off signal is exported to relay control unit in sample amplitude when reproduced;
Current detecting unit, is serially connected with between power input interface and industrial computer voltage input end; For detecting the operating current of industrial computer, higher than during current threshold, the second Continuity signal is exported to relay control unit at operating current; Lower than during current threshold, the second cut-off signal is exported to relay control unit at operating current;
Relay control unit, for the first ON/OFF signal of receiver voltage detecting unit and the second ON/OFF signal of current detecting unit; Receive the connecting circuit conducting of first, second Continuity signal power input interface in season and power output interface at the same time; The connecting circuit receiving first, second cut-off signal power input interface in season and power output interface at the same time disconnects;
Power output interface, for providing operating voltage to external equipment when circuit turn-on.
Described industrial computer sampled point is USB interface.
Described power input interface comprises 24V power input interface and 12V power input interface; Described power output interface comprises 24V power output interface and 12V power output interface; Described 24V power input interface connects 24V power output interface by relay control unit; Described 12V power input interface is leaded up to relay control unit and is connected 12V power output interface, and an other road connects the voltage input end of industrial computer.
Described voltage threshold is not higher than 3.5V.
Described current threshold is not higher than 320mA.
The utility model advantage is, by detecting the sampled voltage of industrial computer or operating current to judge whether industrial computer is in off-mode, can guarantee that industrial computer is in off-mode and just the connecting circuit of power input interface and power output interface can be disconnected by inputting cut-off signal to relay control module.Whole circuit design only needs to configure a mains switch to industrial computer and can implement, and saves material consumption and number of operations.Completely avoid the hard shutdown damage of industrial computer, thus avoid the wholesale of financial institution to lose.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model power-supply controller of electric embodiment one.
Fig. 2 is the structured flowchart of the utility model power-supply controller of electric embodiment two.
Fig. 3 is the structured flowchart of the utility model power-supply controller of electric embodiment three.
Embodiment
Embodiment one
According to Fig. 1, a kind of counter equipment power-supply controller of electric described in the utility model, after external input power access power input interface, can provide the direct-current working volts of 24V and 12V.Two-way direct-current working volts connect the power output interface of corresponding voltage by relay control module.12V and 24V direct-current working volts are used for powering to external equipment, and external equipment controls its switch by the break-make of relay control module to input circuit.The power input also having a road directly to output to industrial computer at 12V power input interface provides operating voltage.Industrial computer is provided with mains switch, and this mains switch directly controls the startup and shutdown of industrial computer.
Under industrial computer normal operating conditions, the general voltage of its USB interface is in about 5V, therefore can by detecting USB interface to judge that industrial computer is in shutdown or open state.In order to avoid erroneous judgement and minimizing error rate, the voltage threshold of detection is set to 3.5V for best.
The USB interface of industrial computer connects voltage detection module as voltage sample point, when voltage detection module detects USB interface voltage higher than voltage threshold, judges that industrial computer is open state.Then voltage detection module inputs the first Continuity signal to relay control module, relay control module makes the connecting circuit conducting of 12V/24V power input interface and 12V/24V power output interface after receiving the first Continuity signal, thus makes external equipment obtain electric work.When voltage detection module detects USB interface voltage lower than voltage threshold, judge that industrial computer is off-mode.Then voltage detection module inputs the first cut-off signal to relay control module, relay control module makes the connecting circuit of 12V/24V power input interface and 12V/24V power output interface disconnect after receiving the first cut-off signal, thus external equipment dead electricity is shut down.Realize the Energy control based on industrial computer on off state, avoid the infringement that direct power-off causes industrial computer.
Embodiment two
According to Fig. 2, a kind of counter equipment power-supply controller of electric described in the utility model, after external input power access power input interface, can provide the direct-current working volts of 24V and 12V.Two-way direct-current working volts connect the power output interface of corresponding voltage by relay control module.12V and 24V direct-current working volts are used for powering to external equipment, and external equipment controls its switch by the break-make of relay control module to input circuit.The power input also having a road to output to industrial computer through excessive current detection unit at 12V power input interface provides operating voltage.Industrial computer is provided with mains switch, and this mains switch directly controls the startup and shutdown of industrial computer.
Under industrial computer normal operating conditions, it flows through electric current and is generally not less than 500mA, therefore can by detecting its electric current to judge that industrial computer is in shutdown or open state.In order to avoid erroneous judgement and minimizing error rate, the current threshold of detection is set to 320mA for best.
Current detection module detect flow through industrial computer electric current higher than current threshold time, judge that industrial computer is open state.Then current detection module inputs the second Continuity signal to relay control module, relay control module makes the connecting circuit conducting of 12V/24V power input interface and 12V/24V power output interface after receiving the second Continuity signal, thus makes external equipment obtain electric work.Current detection module detect flow through industrial computer electric current lower than current threshold time, judge that industrial computer is off-mode.Then current detection module inputs the second cut-off signal to relay control module, relay control module makes the connecting circuit of 12V/24V power input interface and 12V/24V power output interface disconnect after receiving the second cut-off signal, thus external equipment dead electricity is shut down.Realize the Energy control based on industrial computer on off state, avoid the infringement that direct power-off causes industrial computer.
Embodiment three
According to Fig. 3, the present embodiment combines the detection method of above-mentioned two embodiments, with optimal voltage threshold and optimum current threshold value for detecting basis, detecting the USB voltage of industrial computer simultaneously and flowing through the electric current of industrial computer, to judge that industrial computer is in start or off-mode.Only receive the first and second cut-off signals in relay control module simultaneously and just circuit disconnection can be made external equipment dead electricity; Also only receiving the first and second Continuity signals at the same time, just external equipment to be obtained circuit turn-on electric.Therefore further avoid mono signal and judge the impact caused by accident, reduce rate of false alarm, because stable operation counter equipment is for very important financial institution.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection range of the utility model claim.
Claims (7)
1. a power-supply controller of electric for counter equipment, is characterized in that, comprising:
Power input interface, for being the operating voltage of external equipment by the voltage transitions of external input power, voltage input interface is leaded up to after relay control unit and is connected voltage output interface, and an other road connects the voltage input end of industrial computer;
Voltage detection unit, for detecting the sample amplitude when reproduced of industrial computer, exports first Continuity signal higher than during voltage threshold to relay control unit in sample amplitude when reproduced; Lower than during voltage threshold, the first cut-off signal is exported to relay control unit in sample amplitude when reproduced;
Relay control unit, for the first ON/OFF signal of receiver voltage detecting unit, is receiving the connecting circuit conducting of the first Continuity signal power input interface in season and power output interface; Disconnect at the connecting circuit receiving the first cut-off signal power input interface in season and power output interface;
Power output interface, for providing operating voltage to external equipment when circuit turn-on.
2. the power-supply controller of electric of a kind of counter equipment described in the utility model, is characterized in that, comprising:
Power input interface, for being the operating voltage of external equipment by the voltage transitions of external input power, voltage input interface is leaded up to after relay control unit and is connected voltage output interface, and an other road connects the voltage input end of industrial computer;
Current detecting unit, is serially connected with between power input interface and industrial computer voltage input end; For detecting the operating current of industrial computer, higher than during current threshold, the second Continuity signal is exported to relay control unit at operating current; Lower than during current threshold, the second cut-off signal is exported to relay control unit at operating current;
Relay control unit, for the second ON/OFF signal of received current detecting unit, is receiving the connecting circuit conducting of the second Continuity signal power input interface in season and power output interface; Disconnect at the connecting circuit receiving the second cut-off signal power input interface in season and power output interface;
Power output interface, for providing operating voltage to external equipment when circuit turn-on.
3. the power-supply controller of electric of a kind of counter equipment described in the utility model, is characterized in that, comprising:
Power input interface, for being the operating voltage of external equipment by the voltage transitions of external input power, voltage input interface is leaded up to after relay control unit and is connected voltage output interface, and an other road connects the voltage input end of industrial computer;
Voltage detection unit, for detecting the sample amplitude when reproduced of industrial computer, exports first Continuity signal higher than during voltage threshold to relay control unit in sample amplitude when reproduced; Lower than during voltage threshold, the first cut-off signal is exported to relay control unit in sample amplitude when reproduced;
Current detecting unit, is serially connected with between power input interface and industrial computer voltage input end; For detecting the operating current of industrial computer, higher than during current threshold, the second Continuity signal is exported to relay control unit at operating current; Lower than during current threshold, the second cut-off signal is exported to relay control unit at operating current;
Relay control unit, for the first ON/OFF signal of receiver voltage detecting unit and the second ON/OFF signal of current detecting unit; Receive the connecting circuit conducting of first, second Continuity signal power input interface in season and power output interface at the same time; The connecting circuit receiving first, second cut-off signal power input interface in season and power output interface at the same time disconnects;
Power output interface, for providing operating voltage to external equipment when circuit turn-on.
4. the power-supply controller of electric according to any one of claim 1 or 3, is characterized in that, described industrial computer sampled point is USB interface.
5. power-supply controller of electric according to claim 4, is characterized in that, described voltage threshold is not higher than 3.5V.
6. the power-supply controller of electric according to any one of Claims 2 or 3, is characterized in that, described current threshold is not higher than 320mA.
7. the power-supply controller of electric according to any one of claim 1-3, is characterized in that, described power input interface comprises 24V power input interface and 12V power input interface; Described power output interface comprises 24V power output interface and 12V power output interface; Described 24V power input interface connects 24V power output interface by relay control unit; Described 12V power input interface is leaded up to relay control unit and is connected 12V power output interface, and an other road connects the voltage input end of industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041459.2U CN205232010U (en) | 2015-12-15 | 2015-12-15 | Electrical source controller of sales counter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041459.2U CN205232010U (en) | 2015-12-15 | 2015-12-15 | Electrical source controller of sales counter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205232010U true CN205232010U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521041459.2U Expired - Fee Related CN205232010U (en) | 2015-12-15 | 2015-12-15 | Electrical source controller of sales counter equipment |
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| Country | Link |
|---|---|
| CN (1) | CN205232010U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391273A (en) * | 2015-12-15 | 2016-03-09 | 广州御银自动柜员机科技有限公司 | Power controller of counter device |
| CN110764973A (en) * | 2019-11-06 | 2020-02-07 | 深圳极致快技术有限公司 | Complete machine equipment power-off system and method based on identification of shutdown state of industrial control host |
-
2015
- 2015-12-15 CN CN201521041459.2U patent/CN205232010U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391273A (en) * | 2015-12-15 | 2016-03-09 | 广州御银自动柜员机科技有限公司 | Power controller of counter device |
| CN105391273B (en) * | 2015-12-15 | 2018-08-07 | 广州御银自动柜员机科技有限公司 | A kind of power-supply controller of electric of counter equipment |
| CN110764973A (en) * | 2019-11-06 | 2020-02-07 | 深圳极致快技术有限公司 | Complete machine equipment power-off system and method based on identification of shutdown state of industrial control host |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20191215 |