CN204597150U - A kind of protection socket for refrigerator device - Google Patents

Abstract

A kind of protection socket for refrigerator device, it comprises insulation upper plate, three use socket, safeties, circuit board, voltage dropping power supply indicating circuit, delay circuit, absorption circuit, insulation lower plate, three are positioned at insulation upper plate the top with socket, safeties are located at the right that three use socket, circuit board is positioned at the top of insulation lower plate, insulation upper plate is fixedly connected by bolt and insulation lower plate, voltage dropping power supply indicating circuit is positioned at the left side of circuit board, delay circuit is positioned at the centre of circuit board, absorption circuit is positioned at the rightmost of circuit board, three use socket, safeties, voltage dropping power supply indicating circuit, delay circuit, absorption circuit forms a circuit loop, a kind of protection socket for refrigerator device that the utility model provides, its volume is little, easy to use, and structure is simple, dependable performance, low cost of manufacture, low price, and novel structure, functionally there has also been larger improvement, guarantees the safe handling of sending a telegram here instantaneously after refrigerator has a power failure.

Description

A kind of protection socket for refrigerator device

Technical field

The utility model relates to a kind of electronic technology field, particularly a kind of protection socket for refrigerator device.

Background technology

Refrigerator is the electrical equipment that people commonly use; along with society's constantly progress; living standard improves gradually, and refrigerator has become the indispensable household electrical appliance of people, and its protection socket is the same with the protector effect of common name; all prevent from again switching on power in five minutes after having a power failure suddenly; if send a telegram here again after having a power failure, freezer compressor will start immediately, and its pivot winding current will increase severely like this; light then affect refrigerator useful life, heavy then compressor can be caused to burn.

Utility model content

The purpose of this utility model be overcome prior art above-mentioned deficiency and a kind of protection socket for refrigerator device is provided; its volume is little; structure is simple, and dependable performance is easy to use; and minimal power consumption; low cost of manufacture, and low price, novel structure; functionally there has also been larger improvement, guarantee the safe handling of sending a telegram here instantaneously after refrigerator has a power failure.

The technical solution of the utility model is: a kind of protection socket for refrigerator device, it comprises insulation upper plate, three use socket, safeties, circuit board, voltage dropping power supply indicating circuit, delay circuit, absorption circuit, insulation lower plate, three are positioned at insulation upper plate the top with socket, safeties are located at the right that three use socket, circuit board is positioned at the top of insulation lower plate, insulation upper plate is fixedly connected by bolt and insulation lower plate, voltage dropping power supply indicating circuit is positioned at the left side of circuit board, delay circuit is positioned at the centre of circuit board, absorption circuit is positioned at the rightmost of circuit board, three use socket, safeties, voltage dropping power supply indicating circuit, delay circuit, absorption circuit forms a circuit loop.

Further, described voltage dropping power supply indicating circuit by I resistance, I electric capacity, I diode, II electric capacity, II diode, II resistance, III resistance, I light-emitting diode, stablize pipe and form, the left end of I resistance is connected with the left end of I electric capacity, the right-hand member of I resistance is connected with the right-hand member of I electric capacity, the right-hand member of I electric capacity is connected with the negative pole of II diode, the right-hand member of I resistance is connected with the positive pole of I diode, the negative pole of I diode is connected with the left end of II resistance, the negative pole of I diode is also connected with the upper end positive pole of II electric capacity, the lower end of II electric capacity is connected with the positive pole of II diode, the left end of II resistance connects with the upper end positive pole of the second electric capacity, the right-hand member of the second resistance connects with the upper end of the 3rd resistance, the lower end of the 3rd resistance connects with the positive pole of I light-emitting diode, the negative pole of I light-emitting diode connects with the lower end of II electric capacity, the upper end of the 3rd resistance connects with the negative pole of voltage-stabiliser tube, the positive pole of voltage-stabiliser tube connects with the negative pole of I light-emitting diode.

Further, described delay circuit is by III diode, III electric capacity, IV resistance, integrated package, IV electric capacity, II light-emitting diode, V resistance, bidirectional thyristor forms, the upper end positive pole of III electric capacity connects with the right-hand member of II resistance, the lower end of III electric capacity connects with the upper end of IV resistance, the negative pole of III diode connects with the upper end of IV resistance, the lower end of IV resistance connects with the positive pole of III diode, the lower end of III electric capacity connects with the upper left corner of integrated package, the upper end of IV resistance connects with the lower left corner of integrated package, the upper end positive pole of III electric capacity connects with the top I pin of integrated package and II pin, the lower end of IV resistance connects with the below I pin of integrated package, the below II pin of integrated package connects with the upper end of IV electric capacity, the lower end of IV electric capacity connects with the lower end of IV resistance, the right crus of diaphragm of integrated package connects with the positive pole of II light-emitting diode, the negative pole of II light-emitting diode connects with the upper end of V resistance, the lower end of V resistance connects with the control pole of bidirectional thyristor, the I anode of bidirectional thyristor connects safeties, the II anode of bidirectional thyristor connects with the lower end of IV electric capacity.

Further, described absorption circuit is made up of V electric capacity and VI resistance, the upper end of V electric capacity connects with the I anode of bidirectional thyristor, and the lower end of V electric capacity connects with the upper end of VI resistance, and the lower end of VI resistance connects with the II anode of bidirectional thyristor.

The utility model compared with prior art has following features:

1, a kind of protection socket for refrigerator device of providing of the utility model, its volume is little, and structure is simple, and dependable performance is easy to use, and minimal power consumption, low cost of manufacture.

2, a kind of protection socket for refrigerator device of providing of the utility model, all uses common electric elements, market is easily bought; low price; and novel structure, functionally there has also been larger improvement, guarantee the safe handling of sending a telegram here instantaneously after refrigerator has a power failure.

Above-mentioned explanation is only the general introduction of technical solutions of the utility model characteristic, for enabling the clearer understanding of professional and technical personnel technological means of the present utility model, and can be implemented according to the content of specification, coordinate accompanying drawing to elaborate to preferred embodiment of the present utility model below.

Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Embodiment

Below in conjunction with accompanying drawing and preferred embodiment, and according to concrete scheme, structure, feature and the effect thereof that the utility model proposes, describe in detail.

As shown in Figures 1 and 2: a kind of protection socket for refrigerator device, it comprises insulation upper plate 1, three use socket 2, safeties 3, circuit board 4, voltage dropping power supply indicating circuit 5, delay circuit 6, absorption circuit 7, insulation lower plate 8, three are positioned at insulation upper plate 1 the top with socket 2, safeties 3 are located at the right that three use socket 2, circuit board 4 is positioned at the top of insulation lower plate 8, insulation upper plate 1 is fixedly connected by bolt and insulation lower plate 8, voltage dropping power supply indicating circuit 5 is positioned at the left side of circuit board 4, delay circuit 6 is positioned at the centre of circuit board 4, absorption circuit 7 is positioned at the rightmost of circuit board 4, three use socket 2, safeties 3, voltage dropping power supply indicating circuit 5, time delay electricity 6 tunnels, absorption circuit 7 forms a circuit loop.

Described voltage dropping power supply indicating circuit 5 by I resistance R1, I electric capacity C1, I diode VD1, II electric capacity C2, II diode VD2, II resistance R2, III resistance R3, I light-emitting diode VD4, stablize pipe VDW and form, the left end of I resistance R1 is connected with the left end of I electric capacity C1, the right-hand member of I resistance R1 is connected with the right-hand member of I electric capacity C1, the right-hand member of I electric capacity C1 is connected with the negative pole of II diode VD2, the right-hand member of I resistance R1 is connected with the positive pole of I diode VD1, the negative pole of I diode VD1 is connected with the left end of II resistance R2, the negative pole of I diode VD2 is also connected with the upper end positive pole of II electric capacity C2, the lower end of II electric capacity C2 is connected with the positive pole of II diode VD2, the left end of II resistance R2 connects with the upper end positive pole of the second electric capacity C2, the right-hand member of the second resistance R2 connects with the upper end of the 3rd resistance R3, the lower end of the 3rd resistance R3 connects with the positive pole of I light-emitting diode VD4, the negative pole of I light-emitting diode VD4 connects with the lower end of II electric capacity C2, the upper end of the 3rd resistance R3 connects with the negative pole of voltage-stabiliser tube VDW, the positive pole of voltage-stabiliser tube VDW connects with the negative pole of I light-emitting diode VD4.

Described delay circuit 6 is by III diode VD3, III electric capacity C3, IV resistance R4, ic chip, IV electric capacity C3, II light-emitting diode VD5, V resistance R5, bidirectional thyristor VT forms, the upper end positive pole of III electric capacity C3 connects with the right-hand member of II resistance R2, the lower end of III electric capacity C3 connects with the upper end of IV resistance R4, the negative pole of III diode VD3 connects with the upper end of IV resistance R4, the lower end of IV resistance R4 connects with the positive pole of III diode VD3, the lower end of III electric capacity C3 connects with the upper left corner of ic chip, the upper end of IV resistance R4 connects with the lower left corner of ic chip, the upper end positive pole of III electric capacity C3 connects with the top I pin of ic chip and II pin, the lower end of IV resistance R4 connects with the below I pin of ic chip, the below II pin of ic chip connects with the upper end of IV electric capacity C4, the lower end of IV electric capacity C4 connects with the lower end of IV resistance R4, the right crus of diaphragm of ic chip connects with the positive pole of II light-emitting diode VD5, the negative pole of II light-emitting diode VD5 connects with the upper end of V resistance R5, the lower end of V resistance R5 connects with the control pole of bidirectional thyristor VT, the I anode of bidirectional thyristor VT connects safeties, the II anode of bidirectional thyristor VT connects with the lower end of IV electric capacity C4.

Described absorption circuit 7 is made up of V electric capacity C5 and VI resistance R6, the upper end of V electric capacity C5 connects with the I anode of bidirectional thyristor VT, the lower end of V electric capacity C5 connects with the upper end of VI resistance R6, and the lower end of VI resistance R6 connects with the II anode of bidirectional thyristor VT.

Operation principle of the present utility model and using method are: first by all electric elements welding on the circuit board 4, then circuit board 4 bolt is arranged on the centre of insulation upper plate 1 and insulation lower plate 8, after the two ends energising of circuit board 4, through I resistance and I capacitance decompression, by I diode VD1 rectification, II electric capacity C2 filtering, become direct current, II resistance step-down again, voltage-stabiliser tube VDW voltage stabilizing obtains galvanic current pressure, the work of supply ic chip, current limliting III resistance R3 and I light-emitting diode VD4 forms power indicating circuit, when power supply is connected, I light-emitting diode VD4 lights and glows, otherwise circuit has fault, IV resistance R4 and III electric capacity C3 forms delay circuit, turn in five minutes to control power supply, freezer compressor can not start and protect compressor, when power supply is just connected, because the voltage at III electric capacity C3 two ends can not suddenly change, the lower left corner of ic chip is high level, ic chip place reset mode, the right crus of diaphragm output low level of ic chip, bidirectional thyristor VT closes because of triggerless voltage, freezer compressor does not work, when power supply charges to III electric capacity C3 through IV resistance R4, the lower left corner potential drop of ic chip is made to be depressed into supply voltage and three/for the moment gradually, the right crus of diaphragm of ic chip exports high level, bidirectional thyristor VT conducting, freezer compressor obtains 220V voltage, startup work, be connected on the II light-emitting diode VD5 green light that bidirectional thyristor VT controls pole, be used to refer to refrigerator normally to work, the effect of III diode VD3 is after refrigerator power-off, III electric capacity C3 can discharge rapidly, bidirectional thyristor VT conducting is caused during to prevent from coming right away electricity, facilitate compressor to start at once, IV resistance R6 and V electric capacity C5 forms absorption circuit, be used for protecting two bidirectional thyristor VT breakdown because of overvoltage.

Accompanying drawing explanation

Accompanying drawing 1 is structural representation of the present utility model;

Accompanying drawing 2 is circuit diagram of the present utility model.

Claims (4)

1. a protection socket for refrigerator device, it is characterized in that: it comprises insulation upper plate, three use socket, safeties, circuit board, voltage dropping power supply indicating circuit, delay circuit, absorption circuit, insulation lower plate, three are positioned at insulation upper plate the top with socket, safeties are located at the right that three use socket, circuit board is positioned at the top of insulation lower plate, insulation upper plate is fixedly connected by bolt and insulation lower plate, voltage dropping power supply indicating circuit is positioned at the left side of circuit board, delay circuit is positioned at the centre of circuit board, absorption circuit is positioned at the rightmost of circuit board, three use socket, safeties, voltage dropping power supply indicating circuit, delay circuit, absorption circuit forms a circuit loop.

2. a kind of protection socket for refrigerator device according to claim 1, is characterized in that: described voltage dropping power supply indicating circuit by I resistance, I electric capacity, I diode, II electric capacity, II diode, II resistance, III resistance, I light-emitting diode, stablize pipe and form, the left end of I resistance is connected with the left end of I electric capacity, the right-hand member of I resistance is connected with the right-hand member of I electric capacity, the right-hand member of I electric capacity is connected with the negative pole of II diode, the right-hand member of I resistance is connected with the positive pole of I diode, the negative pole of I diode is connected with the left end of II resistance, the negative pole of I diode is also connected with the upper end positive pole of II electric capacity, the lower end of II electric capacity is connected with the positive pole of II diode, the left end of II resistance connects with the upper end positive pole of the second electric capacity, the right-hand member of the second resistance connects with the upper end of the 3rd resistance, the lower end of the 3rd resistance connects with the positive pole of I light-emitting diode, the negative pole of I light-emitting diode connects with the lower end of II electric capacity, the upper end of the 3rd resistance connects with the negative pole of voltage-stabiliser tube, the positive pole of voltage-stabiliser tube connects with the negative pole of I light-emitting diode.

3. a kind of protection socket for refrigerator device according to claim 1 and 2, it is characterized in that: described delay circuit is by III diode, III electric capacity, IV resistance, integrated package, IV electric capacity, II light-emitting diode, V resistance, bidirectional thyristor forms, the upper end positive pole of III electric capacity connects with the right-hand member of II resistance, the lower end of III electric capacity connects with the upper end of IV resistance, the negative pole of III diode connects with the upper end of IV resistance, the lower end of IV resistance connects with the positive pole of III diode, the lower end of III electric capacity connects with the upper left corner of integrated package, the upper end of IV resistance connects with the lower left corner of integrated package, the upper end positive pole of III electric capacity connects with the top I pin of integrated package and II pin, the lower end of IV resistance connects with the below I pin of integrated package, the below II pin of integrated package connects with the upper end of IV electric capacity, the lower end of IV electric capacity connects with the lower end of IV resistance, the right crus of diaphragm of integrated package connects with the positive pole of II light-emitting diode, the negative pole of II light-emitting diode connects with the upper end of V resistance, the lower end of V resistance connects with the control pole of bidirectional thyristor, the I anode of bidirectional thyristor connects safeties, the II anode of bidirectional thyristor connects with the lower end of IV electric capacity.

4. a kind of protection socket for refrigerator device according to claim 3; it is characterized in that: described absorption circuit is made up of V electric capacity and VI resistance; the upper end of V electric capacity connects with the I anode of bidirectional thyristor; the lower end of V electric capacity connects with the upper end of VI resistance, and the lower end of VI resistance connects with the II anode of bidirectional thyristor.