CN208591011U - Switch gate applied to dish-washing machine protects circuit - Google Patents
Switch gate applied to dish-washing machine protects circuit Download PDFInfo
- Publication number
- CN208591011U CN208591011U CN201820319485.4U CN201820319485U CN208591011U CN 208591011 U CN208591011 U CN 208591011U CN 201820319485 U CN201820319485 U CN 201820319485U CN 208591011 U CN208591011 U CN 208591011U
- Authority
- CN
- China
- Prior art keywords
- switch
- gate
- dish
- washing machine
- voltage circuit
- 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.)
- Expired - Fee Related
Links
- 238000004851 dishwashing Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 239000003990 capacitor Substances 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Abstract
The utility model relates to a kind of switch gates applied to dish-washing machine to protect circuit; it includes load driving circuits and enabling detection switch; the enabling detection switch is connected in low-voltage circuit; load driving circuits are equipped with power-on switch; the controller for controlling power-on switch is equipped in low-voltage circuit, controller is controlled by enabling detection switch.Low pressure in above-mentioned low-voltage circuit refers to safe voltage.It is worked in low-voltage circuit in the utility model by the enabling detection switch of door body touch-control, prevents switch gate detection switch from having leakage risk under dish-washing machine humidity working environment, improve its safety used.
Description
Technical field
The utility model relates to a kind of dish-washing machine, especially a kind of switch gate applied to dish-washing machine protects circuit.
Background technique
The switch gate of existing dish-washing machine is protected as shown in figure 4, in forceful electric power one switch gate microswitch K1 of series connection, in door
It forces to disconnect the power supply for loading 2 when opening.In addition, L is the firewire input terminal of alternating current in Fig. 4, N is the zero curve input terminal of alternating current,
RY2 is load control relay, and load control relay includes load control relay coil and load control relay switch, load
It controls relay coil and control circuit board 1 is electrically connected, load control relay switch is connected in load driving circuits, Dang Menguan
When closing, microswitch K1 can be just closed, and control circuit board can just pass through 2 work of load control relay control load.Due to existing
Some technologies are in forceful electric power series connection microswitch, as switch gate detection switch has electric leakage wind under dish-washing machine humidity working environment
Danger.
Utility model content
The purpose of the utility model is to overcome above-mentioned the shortcomings of the prior art, and provide a kind of structurally reasonable, peace
The complete reliable switch gate applied to dish-washing machine protects circuit.
Purpose of the utility model is realized as follows:
A kind of switch gate protection circuit applied to dish-washing machine, including load driving circuits and enabling detection switch, it is special
Sign is being that the enabling detection switch is connected in low-voltage circuit, and load driving circuits are equipped with power-on switch, is set in low-voltage circuit
There is the controller for controlling power-on switch, controller is controlled by enabling detection switch.Low pressure in above-mentioned low-voltage circuit refers to peace
Full voltage.
The purpose of this utility model can also be solved using following technical measures:
As a more specific scheme, the power-on switch is gate relay switch, and controller is gate relay coil, door
Control relay switch and gate relay coil collectively form gating relay, gate relay coil control gate relay switch work；
Gate relay switch is connected in load driving circuits, gates relay coil and enabling detection switch is connected in low-voltage circuit.
Including reduction voltage circuit, reduction voltage circuit is equipped with forceful electric power input terminal and two light current output terminals, two light current output ends
Son forms the energization input of low-voltage circuit.
The reduction voltage circuit is transformer.
Alternatively, the reduction voltage circuit is capacitance-resistance voltage reduction circuit.The enabling detection switch and gate relay coil are connected on
Between described two light current output terminals.
As more specific another program, capacitor and rectifier cell are additionally provided in the low-voltage circuit.So that low-voltage circuit
For DC low-voltage circuit.
As further embodiment, the capacitor is electrolytic capacitor, and rectifier cell is rectifier diode, rectifier diode and
Electrolytic capacitor is connected between described two light current output terminals, and the cathode of rectifier diode connects the anode of electrolytic capacitor, is opened the door
It is in parallel with electrolytic capacitor after detection switch and gate relay coil series connection.
As further embodiment, the capacitor is electrolytic capacitor, and rectifier cell is rectifier bridge stack, and rectifier bridge stack is equipped with two
A light current input terminal and cathode output end, cathode output end, two light current input terminals respectively with described two light current output terminals
Connection, cathode output end connect the anode of electrolytic capacitor, and cathode output end connects the cathode of electrolytic capacitor, enabling detection switch and gate
It is in parallel with electrolytic capacitor after relay coil series connection.
It further include control circuit board and load control relay as further embodiment, load control relay includes
Load control relay coil and load control relay switch, load control relay coil and control circuit board are electrically connected, load
Control relay switch is connected in load driving circuits；The enabling detection switch is microswitch.
The beneficial effects of the utility model are as follows:
It is worked in low-voltage circuit in the utility model by the enabling detection switch of door body touch-control, prevents switch gate detection from opening
Pass has leakage risk under dish-washing machine humidity working environment, improves its safety used.
Detailed description of the invention
Fig. 1 is an embodiment of the present invention circuit diagram.
Fig. 2 is another embodiment circuit diagram of the utility model.
Fig. 3 is another embodiment of the utility model circuit diagram.
The position Fig. 4 prior art circuits figure.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments:
Embodiment one, a kind of shown in Figure 1, switch gate protection circuit applied to dish-washing machine, including load driving electricity
Road and enabling detection switch K1, the enabling detection switch K1 are connected in low-voltage circuit, and load driving circuits are equipped with to be powered and open
It closes, the controller for controlling power-on switch is equipped in low-voltage circuit, controller is controlled by enabling detection switch K1.
The power-on switch be gate relay switch, controller be gate relay coil, gate relay switch and gate after
Electric coil collectively forms gating relay RY1, gate relay coil control gate relay switch work；Gate relay switch series connection
In load driving circuits, gates relay coil and enabling detection switch K1 is connected in low-voltage circuit.
Including reduction voltage circuit, reduction voltage circuit is equipped with forceful electric power input terminal and two light current output terminals, two light current output ends
Son forms the energization input of low-voltage circuit.The reduction voltage circuit is transformer L1.
Capacitor and rectifier cell are additionally provided in the low-voltage circuit.The capacitor is electrolytic capacitor E1, and rectifier cell is whole
Bridge heap BR1 is flowed, rectifier bridge stack BR1 is set there are two light current input terminal and cathode output end, cathode output end, two light current input terminals
It is connect respectively with described two light current output terminals, cathode output end connects the anode of electrolytic capacitor E1, and cathode output end connects electrolysis
It is in parallel with electrolytic capacitor E1 after the cathode of capacitor E1, enabling detection switch K1 and gate relay coil series connection.
Further include control circuit board 1 and load control relay RY2, load control relay RY2 include load control after
Electric coil and load control relay switch, load control relay coil and control circuit board 1 are electrically connected, and load control is after establishing by cable
Pass is connected in load driving circuits；The enabling detection switch K1 is microswitch.Load 2 is equipped in load driving circuits.
The forceful electric power input terminal of transformer L1 and load driving circuits connect with alternating current (L firewire and N zero curve) in the present embodiment
It connects.Its working principle is that: when door body is closed, door body touches enabling detection switch K1, so that enabling detection switch K1 is closed, door
The gate relay coil for controlling relay RY1 is powered, inner-core movement, so that its corresponding gate relay switch closure is driven,
At this point, can be controlled by control circuit board 1 in load driving circuits.Conversely, when enabling detection switch K1 disconnect when, gate after
Electric switch also disconnects, and load driving circuits can not work.
Embodiment two, shown in Figure 2, be with the distinguishing characteristics of embodiment one: shown in Figure 2, the capacitor is
Electrolytic capacitor E1, rectifier cell are that rectifier diode D1, rectifier diode D1 and electrolytic capacitor E1 are connected on described two light current
Between output terminal, the cathode of rectifier diode D1 connects the anode of electrolytic capacitor E1, and enabling detection switch K1 and gate are after electric wire
It is in parallel with electrolytic capacitor E1 after circle series connection.Enabling detection switch K1 and gate relay switch action relationships and embodiment one with
It causes.
Embodiment three, a kind of shown in Figure 3, switch gate protection circuit applied to dish-washing machine, including load driving electricity
Road and enabling detection switch K1, the enabling detection switch K1 are connected in low-voltage circuit, and load driving circuits are equipped with to be powered and open
It closes, the controller for controlling power-on switch is equipped in low-voltage circuit, controller is controlled by enabling detection switch K1.
The power-on switch be gate relay switch, controller be gate relay coil, gate relay switch and gate after
Electric coil collectively forms gating relay RY1, gate relay coil control gate relay switch work；Gate relay switch series connection
In load driving circuits, gates relay coil and enabling detection switch K1 is connected in low-voltage circuit.
Including reduction voltage circuit, reduction voltage circuit is equipped with forceful electric power input terminal and two light current output terminals, two light current output ends
Son forms the energization input of low-voltage circuit.The reduction voltage circuit is transformer L1, the forceful electric power input terminal of transformer L1 and load
Driving circuit is connect with alternating current (L firewire and N zero curve).The enabling detection switch K1 and gate relay coil are connected on described
Between two light current output terminals.
Further include control circuit board 1 and load control relay RY2, load control relay RY2 include load control after
Electric coil and load control relay switch, load control relay coil and control circuit board 1 are electrically connected, and load control is after establishing by cable
Pass is connected in load driving circuits；The enabling detection switch K1 is microswitch.Load 2 is equipped in load driving circuits.
Claims (10)
1. a kind of switch gate applied to dish-washing machine protects circuit, including load driving circuits and enabling detection switch, feature
It is being that the enabling detection switch is connected in low-voltage circuit, load driving circuits are equipped with power-on switch, are equipped in low-voltage circuit
For controlling the controller of power-on switch, controller is controlled by enabling detection switch.
2. protecting circuit applied to the switch gate of dish-washing machine according to claim 1, feature is being that the power-on switch is
Relay switch is gated, controller is gate relay coil, and gate relay switch and gate relay coil collectively form gate relay
Device, gate relay coil control gate relay switch work；Gate relay switch is connected in load driving circuits, gates relay
Coil and enabling detection switch are connected in low-voltage circuit.
3. protecting circuit applied to the switch gate of dish-washing machine according to claim 2, feature is being, including reduction voltage circuit,
Reduction voltage circuit is equipped with forceful electric power input terminal and two light current output terminals, and the power supply that two light current output terminals form low-voltage circuit is defeated
Enter end.
4. protecting circuit applied to the switch gate of dish-washing machine according to claim 3, feature is being that the reduction voltage circuit is
Transformer.
5. protecting circuit applied to the switch gate of dish-washing machine according to claim 3, feature is being that the reduction voltage circuit is
Capacitance-resistance voltage reduction circuit.
6. the switch gate according to claim 4 or 5 applied to dish-washing machine protects circuit, feature is being the enabling inspection
It surveys switch and gate relay coil is connected between described two light current output terminals.
7. protecting circuit applied to the switch gate of dish-washing machine according to claim 4, feature is being, in the low-voltage circuit
It is additionally provided with capacitor and rectifier cell.
8. protecting circuit applied to the switch gate of dish-washing machine according to claim 7, feature is being that the capacitor is electrolysis
Capacitor, rectifier cell are rectifier diode, and rectifier diode and electrolytic capacitor are connected between described two light current output terminals,
The cathode of rectifier diode connects the anode of electrolytic capacitor, after enabling detection switch and gate relay coil series connection simultaneously with electrolytic capacitor
Connection.
9. protecting circuit applied to the switch gate of dish-washing machine according to claim 8, feature is being that the capacitor is electrolysis
Capacitor, rectifier cell are rectifier bridge stack, and rectifier bridge stack is set there are two light current input terminal and cathode output end, cathode output end, two
A light current input terminal is connect with described two light current output terminals respectively, and cathode output end connects the anode of electrolytic capacitor, and cathode is defeated
The cathode of electrolytic capacitor is terminated out, and enabling detection switch and gate relay coil are in parallel with electrolytic capacitor after connecting.
10. according to claim 1 applied to dish-washing machine switch gate protect circuit, feature be further include control electricity
Road plate and load control relay, load control relay include load control relay coil and load control relay switch, are born
It carries control relay coil and control circuit board is electrically connected, load control relay switch is connected in load driving circuits；It is described
Enabling detection switch is microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319485.4U CN208591011U (en) | 2018-03-08 | 2018-03-08 | Switch gate applied to dish-washing machine protects circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319485.4U CN208591011U (en) | 2018-03-08 | 2018-03-08 | Switch gate applied to dish-washing machine protects circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208591011U true CN208591011U (en) | 2019-03-12 |
Family
ID=65599831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820319485.4U Expired - Fee Related CN208591011U (en) | 2018-03-08 | 2018-03-08 | Switch gate applied to dish-washing machine protects circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208591011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110584464A (en) * | 2019-08-31 | 2019-12-20 | 宁波方太厨具有限公司 | Door body opening and closing structure for cooking device and cooking device with door body opening and closing structure |
-
2018
- 2018-03-08 CN CN201820319485.4U patent/CN208591011U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110584464A (en) * | 2019-08-31 | 2019-12-20 | 宁波方太厨具有限公司 | Door body opening and closing structure for cooking device and cooking device with door body opening and closing structure |
| CN110584464B (en) * | 2019-08-31 | 2021-07-23 | 宁波方太厨具有限公司 | Door body opening and closing structure for cooking device and cooking device with door body opening and closing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104730441A (en) | Thyristor fault detecting device | |
| CN103138729B (en) | No-voltage-type electronic touch switch | |
| CN208591011U (en) | Switch gate applied to dish-washing machine protects circuit | |
| CN105034841A (en) | Strong electricity charging and discharging control method of hybrid electric vehicle and apparatus thereof | |
| CN104029599A (en) | Protection device for automatic and rapid pantograph dropping of subway vehicle pantograph at low pressure | |
| CN208522457U (en) | Peak current suppression circuit and electrical equipment | |
| CN105115002A (en) | Electronic type hand-nipping-preventing range hood | |
| CN109435877A (en) | A kind of electric motor coach bears the control system of mechanical total power switch failure with prevention and control | |
| CN205553941U (en) | Control circuit of battery package voltage trouble | |
| CN105225895B (en) | A kind of intelligent DC contactor | |
| CN203846895U (en) | Safety protection device of manhole cover of locomotive | |
| CN209225091U (en) | A kind of electric motor coach bears the control system of mechanical total power switch failure with prevention and control | |
| CN203728371U (en) | Elevator safety door | |
| CN203865752U (en) | Elevator car roof water inlet automatic protection system | |
| CN206023597U (en) | Finger-print type classroom power control | |
| CN207063774U (en) | Automobile shelter controlling device for doors | |
| CN206524763U (en) | A kind of two-stage power supply switch controller and electrical equipment | |
| CN106058816A (en) | Two-stage overload protection method and inverter with application of method | |
| CN202174941U (en) | Ignition failure device of wing opening type box van in swing opening state | |
| CN205899338U (en) | Lathe pneumatic door safety control | |
| CN204943608U (en) | A kind of electronic type finger smoke exhaust ventilator | |
| CN203101900U (en) | Load control circuit with feedback control | |
| CN205377692U (en) | Entrance guard uninterrupted power source system power supply conversion assembly | |
| CN205429336U (en) | Socket | |
| CN203838634U (en) | On/off sequence control device of computer mainframe and peripherals |
Legal Events
| 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: 20190312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |