CN205049647U - Survival voltage safety warning system - Google Patents
Survival voltage safety warning system Download PDFInfo
- Publication number
- CN205049647U CN205049647U CN201520867099.5U CN201520867099U CN205049647U CN 205049647 U CN205049647 U CN 205049647U CN 201520867099 U CN201520867099 U CN 201520867099U CN 205049647 U CN205049647 U CN 205049647U
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- module
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- control module
- residual voltage
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Abstract
The utility model belongs to the safety in production field, concretely relates to survival voltage safety warning system, wherein, input voltage detection module's the output of input and the equipment of awaiting measuring link to each other, input voltage detection module's output links to each other with control module's input, remaining voltage testing's output and control module's the output of input and the equipment of awaiting measuring link to each other, remaining voltage testing's output links to each other with control module's input and alarm module's input, bleed -off circuit module electricity connect the equipment of awaiting measuring, the input of bleed -off circuit module links to each other with the control module output. The utility model discloses can judge the survival voltage of the equipment of awaiting measuring automatically to after the survival voltage exceedes the threshold value, can in time send safety warning, avoid personnel to be close to the equipment of awaiting measuring, the so as to avoid is dangerous, when sending safety warning, can also carry out the pressure release to the equipment of awaiting measuring, in time get rid of the potential safety hazard.
Description
Technical field
The utility model belongs to safety in production field, relates to a kind of safety warning system of electric equipment, is specifically related to a kind of residual voltage safety warning system.
Background technology
Capacitance kind electronic devices and components that capacitive reactance differs in size often can be quoted to realize the functions such as filter rectification in the circuit design of commercial unit and household electrical appliance.In the moment that the attaching plug of commercial unit power-off or household electrical appliance is extracted, capacitive device in internal electrical control circuit can externally discharge, therefore, commercial unit power-off or when user extracts the plug of household electrical appliance, very easily because touching the pin of device housings or power-line plug thus electric shock accidents occurring.
Current equipment does not all indicate the device of residual voltage, for this one side of residual voltage, also only relate to and this part is detected for residual voltage, but equipment is in Long-Time Service process, residual voltage can change, if machine because the reason such as aging causes residual voltage to exceed threshold value, then will work the mischief to the personal safety of staff.
Utility model content
According to above the deficiencies in the prior art, the utility model provides a kind of residual voltage safety warning system, when the residual voltage of Devices to test exceedes threshold value, can automatically provide safety warning function and decompression function.
A kind of residual voltage safety warning system described in the utility model, is characterized in that: comprise Devices to test, input voltage measurement module, control module, residual voltage detection module, bleed-off circuit module, alarm module; Wherein, the described input end of input voltage measurement module is connected with the output terminal of Devices to test, the output terminal of input voltage measurement module is connected with the input end of control module, the described input end of residual voltage detection module is connected with the output terminal of the output terminal of Devices to test and control module, and the output terminal of residual voltage detection module is connected with the input end of the input end of control module and alarm module; Described bleed-off circuit module electrical connection Devices to test, the input end of bleed-off circuit module is connected with control module output terminal.
In the utility model, input voltage measurement module is in order to detect the external input voltage of Devices to test; Control module is used for when described input voltage measurement module detects that external input voltage is 0, judges Devices to test power-off, controls residual voltage detection module unlatching work; Residual voltage detection module is for the residual voltage of the pin of the shell or power-line plug that detect Devices to test, when detecting that residual voltage exceedes threshold value, open alarm module, and send a signal to control module, the residual voltage of control module conducting bleed-off circuit module device under test carries out pressure release, and after residual voltage is lower than threshold value, alarm module is closed automatically, signal is also sent to control module by residual voltage detection module, and control module disconnects bleed-off circuit module.
Wherein, preferred version is as follows:
Described alarm module comprises audible alarm and light warning.Sound and light combine, and the personnel that can give better warn, and improve security.
Control module comprises PLC single-chip microcomputer, and the relay in described PLC single-chip microcomputer adopts contactless solid-state relay.
The beneficial effect that the utility model has is: can the residual voltage of automatic decision Devices to test, and after residual voltage exceedes threshold value, can send security warning in time, avoids personnel near Devices to test, to avoid danger; In addition, while sending security warning, pressure release can also be carried out by device under test, get rid of potential safety hazard in time.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described further.
Embodiment 1:
As shown in Figure 1, a kind of residual voltage safety warning system, comprises Devices to test, input voltage measurement module, control module, residual voltage detection module, bleed-off circuit module, alarm module; Wherein, the described input end of input voltage measurement module is connected with the output terminal of Devices to test, the output terminal of input voltage measurement module is connected with the input end of control module, the described input end of residual voltage detection module is connected with the output terminal of the output terminal of Devices to test and control module, and the output terminal of residual voltage detection module is connected with the input end of the input end of control module and alarm module; Described bleed-off circuit module electrical connection Devices to test, the input end of bleed-off circuit module is connected with control module output terminal.
In native system, input voltage measurement module is in order to detect the external input voltage of Devices to test; Control module is used for when described input voltage measurement module detects that external input voltage is 0, judges Devices to test power-off, controls residual voltage detection module unlatching work; Residual voltage detection module is for the residual voltage of the pin of the shell or power-line plug that detect Devices to test, when detecting that residual voltage exceedes threshold value, open alarm module, and send a signal to control module, the residual voltage of control module conducting bleed-off circuit module device under test carries out pressure release, and after residual voltage is lower than threshold value, alarm module is closed automatically, signal is also sent to control module by residual voltage detection module, and control module disconnects bleed-off circuit module.
Described alarm module comprises audible alarm and light warning.Sound and light combine, and the personnel that can give better warn, and improve security.
Control module comprises PLC single-chip microcomputer, and the relay in described PLC single-chip microcomputer adopts contactless solid-state relay.
Native system can the residual voltage of automatic decision Devices to test, and after residual voltage exceedes threshold value, can send security warning in time, avoids personnel near Devices to test, to avoid danger; In addition, while sending security warning, pressure release can also be carried out by device under test, get rid of potential safety hazard in time.
Claims (3)
1. a residual voltage safety warning system, is characterized in that: comprise Devices to test, input voltage measurement module, control module, residual voltage detection module, bleed-off circuit module, alarm module; Wherein, the described input end of input voltage measurement module is connected with the output terminal of Devices to test, the output terminal of input voltage measurement module is connected with the input end of control module, the described input end of residual voltage detection module is connected with the output terminal of the output terminal of Devices to test and control module, and the output terminal of residual voltage detection module is connected with the input end of the input end of control module and alarm module; Described bleed-off circuit module electrical connection Devices to test, the input end of bleed-off circuit module is connected with control module output terminal.
2. a kind of residual voltage safety warning system according to claim 1, is characterized in that: described alarm module comprises audible alarm and light warning.
3. a kind of residual voltage safety warning system according to claim 1, is characterized in that: control module comprises PLC single-chip microcomputer, and the relay in described PLC single-chip microcomputer adopts contactless solid-state relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867099.5U CN205049647U (en) | 2015-10-28 | 2015-10-28 | Survival voltage safety warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867099.5U CN205049647U (en) | 2015-10-28 | 2015-10-28 | Survival voltage safety warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205049647U true CN205049647U (en) | 2016-02-24 |
Family
ID=55343216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520867099.5U Expired - Fee Related CN205049647U (en) | 2015-10-28 | 2015-10-28 | Survival voltage safety warning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205049647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983297A (en) * | 2020-08-21 | 2020-11-24 | 重庆新世杰电气股份有限公司 | Instantaneous residual voltage detection method, device and equipment and residual voltage recording assembly |
-
2015
- 2015-10-28 CN CN201520867099.5U patent/CN205049647U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983297A (en) * | 2020-08-21 | 2020-11-24 | 重庆新世杰电气股份有限公司 | Instantaneous residual voltage detection method, device and equipment and residual voltage recording assembly |
| CN111983297B (en) * | 2020-08-21 | 2023-09-08 | 重庆新世杰电气股份有限公司 | Instantaneous residual pressure detection method, device and equipment |
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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 |
Granted publication date: 20160224 Termination date: 20181028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |