CN207214630U - The two temperature sensor alarming circuit that a kind of refrigerator-freezer three-layer type is distributed - Google Patents

The two temperature sensor alarming circuit that a kind of refrigerator-freezer three-layer type is distributed Download PDF

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Publication number
CN207214630U
CN207214630U CN201721115294.8U CN201721115294U CN207214630U CN 207214630 U CN207214630 U CN 207214630U CN 201721115294 U CN201721115294 U CN 201721115294U CN 207214630 U CN207214630 U CN 207214630U
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CN
China
Prior art keywords
freezer
refrigerator
triode
temperature
resistance
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
Application number
CN201721115294.8U
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Chinese (zh)
Inventor
魏渤海
陈绍忠
吴志立
张健
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ZHEJIANG LCESHARE REFRIGERATOR CO Ltd
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ZHEJIANG LCESHARE REFRIGERATOR CO Ltd
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Priority to CN201721115294.8U priority Critical patent/CN207214630U/en
Application granted granted Critical
Publication of CN207214630U publication Critical patent/CN207214630U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of two temperature sensor alarming circuit of refrigerator-freezer three-layer type distribution is the utility model is related to, solves the deficiencies in the prior art, technical scheme is:Including refrigerator-freezer indicator, refrigerator-freezer single-chip microcomputer, two temperature setting modules and three integrated form temperature sensing modules, each temperature setting module includes a thermoregulation knob and a rotary rheostat being arranged on outside refrigerator-freezer, each rotary rheostatic resistance adjustment end connects with corresponding thermoregulation knob, each rotary rheostatic first end is with controlling power electric connection, each rotary setting end of rheostatic second end with three integrated form temperature sensing modules is connected, three layers of three integrated forms temperature sensing module point is arranged in the refrigerator-freezer, the output end of each integrated form temperature sensing module with the refrigerator-freezer monolithic mechatronics, the output end of refrigerator-freezer single-chip microcomputer electrically connects with refrigerator-freezer indicator, the refrigerator-freezer indicator is arranged on the outer wall of refrigerator-freezer.

Description

The two temperature sensor alarming circuit that a kind of refrigerator-freezer three-layer type is distributed
Technical field
It the utility model is related to the warning circuit of refrigerated ice bin, and in particular to the two temperature that a kind of refrigerator-freezer is distributed with three-layer type Sensor alarming circuit.
Background technology
The temperature sensing device of refrigerator-freezer generally comprises at present:Sensing probe and the temperature of amplification driving display portion split show Showing device, sensing head and part silver-jacketed wire are placed in metal shell made of germanium Si oxide, and epoxy resin oxygen is used in shell Compound fills out filling, and sensing probe is placed in refrigerating chamber center, temperature of refrigerating chamber can truely and accurately be shown outside refrigerating chamber, Using compensating element, D1, R14, T1 output convergences are constant-current source, make display accurate, adjustment is simple, easy to use for circuit amplification.But It is that prior art is present:Single temperature can only be detected, causes in refrigerator-freezer each horizontal hierarchical space temperature to be present and differ and also can not Alarmed, temperature high or low final the problem of influenceing storage.
Such as:A kind of publication number 205807984U refrigerator-freezer refrigerating plant patent, it includes temperature controller, overload heating Protector, temp compensation switch, compensating heating device, compressor, electric capacity, relay, described temperature controller one end and power supply The live wire connection of plug, the temperature controller other end are connected with the overload Heating protector, the temp compensation switch Connected with the compensating heating device, the temp compensation switch connected with the compensating heating device after again with the temperature control Device processed is in parallel, and the overload Heating protector is connected with compressor again.It, which there is, can only detect single temperature, cause in refrigerator-freezer The problem of temperature that each horizontal hierarchical space has, which differs, can not also be alarmed, and the high or low final influence of temperature is stored.
The content of the invention
The purpose of this utility model is that single temperature can only be detected by solving above-mentioned prior art, cause each water in refrigerator-freezer The problem of temperature that flat hierarchical space has, which differs, can not also be alarmed, and the high or low final influence of temperature is stored, there is provided a kind of The two temperature sensor alarming circuit that refrigerator-freezer three-layer type is distributed.
Technical scheme is used by the utility model solves its technical problem:The dual temperature that a kind of refrigerator-freezer is distributed with three-layer type Sensor alarming circuit is spent, is powered by the control power supply of refrigerator-freezer, including refrigerator-freezer indicator, refrigerator-freezer single-chip microcomputer, two temperature setting moulds Block and three integrated form temperature sensing modules, each temperature setting module include a thermoregulation knob being arranged on outside refrigerator-freezer With a rotary rheostat, each rotary rheostatic resistance adjustment end connects with corresponding thermoregulation knob, each rotation The rheostatic first end of formula with controlling power electric connection, each rotary rheostatic second end with three integrated form temperature The setting end connection of sensing module, three layers of three integrated forms temperature sensing module point are arranged in the refrigerator-freezer, Mei Geji The output end of accepted way of doing sth temperature sensing module indicates with the refrigerator-freezer monolithic mechatronics, output end and the refrigerator-freezer of refrigerator-freezer single-chip microcomputer Device is electrically connected, and the refrigerator-freezer indicator is arranged on the outer wall of refrigerator-freezer.The utility model employs two temperature setting modules, can To set two kinds of alert datas of high temperature alarm and low-temperature warning, while three integrated form temperature sensing modules press high, normal, basic three layers points Cloth reaches each level height in refrigerator-freezer in refrigerator-freezer detection data, if in so three levels arbitrary levels temperature Temperature threshold of the temperature threshold either less than setting more than setting then can all alarm, and be alarmed by indicator during alarm.
Preferably, each described integrated form temperature sensing module includes TC602 temperature sensors, resistance R1, electricity Hinder R2, resistance R3, resistance R4, LED 1, LED 2, voltage-regulator diode VD, electric capacity C1, triode Q1 With triode Q2, the second connection end of TC602 temperature sensors is connected with rotary rheostatic second end, TC602 temperature The 3rd connection end for spending sensor is connected with another rotary rheostatic second end, and the 8th of TC602 temperature sensors connects End and control power supply are connect, the 4th connection end ground connection of TC602 temperature sensors, the 6th connection end of TC602 temperature sensors leads to The base stage that resistance R3 is crossed with triode Q1 is connected, and the 7th connection end of TC602 temperature sensors passes through resistance R4 and triode Q2 Base stage connection, triode Q1 colelctor electrode is connected with the negative electrode of LED 1, and the anode of LED 1 leads to Resistance R1 and control power electric connection are crossed, triode Q1 emitter stage is grounded by voltage-regulator diode VD, triode Q2 transmitting Pole is connected with the negative electrode of LED 2, and the anode of LED 2 by resistance R2 and controls power electric connection, Triode Q2 colelctor electrode is grounded also by voltage-regulator diode VD, and triode Q1 emitter stage connects with triode Q2 colelctor electrode Connect, triode Q1 emitter stage and the input/output terminal of single-chip microcomputer connect, electric capacity C1 first end and triode Q1 emitter stage Connection, electric capacity C1 the second end ground connection.
Preferably, triode Q1 is NPN triode, triode Q2 is PNP triode.
Preferably, TC602 temperature sensors are arranged on the same vertical line of refrigerator-freezer.
Preferably, LED 1 is located in a upward arrow shell, LED 2 is located at one In individual lower arrow shell, the upward arrow shell and lower arrow shell are each attached on the outer wall of refrigerator-freezer.In this way, except ice , can also be directly too high or too low by LED displays temperatures outside the indicator that cabinet carries, user can directly be adjusted.
Preferably, the refrigerator-freezer indicator is segment encode tube display screen.In this way, cost is relatively low.
Substantial effect of the present utility model is:The utility model employs two temperature setting modules, can set height Temperature alarm and two kinds of alert datas of low-temperature warning, while three integrated form temperature sensing modules are distributed in refrigerator-freezer by high, normal, basic three layers Inside reaching each level height in refrigerator-freezer has detection data, as long as the temperature of arbitrary levels exceedes setting in so three levels Temperature threshold of the temperature threshold either less than setting then can all alarm, alarmed by indicator during alarm.
Brief description of the drawings
Fig. 1 is a kind of circuit theory diagrams of the present utility model.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made further specifically It is bright.
Embodiment:
The two temperature sensor alarming circuit that a kind of refrigerator-freezer three-layer type is distributed(Referring to accompanying drawing 1), by the control power supply of refrigerator-freezer Power supply, including refrigerator-freezer indicator, refrigerator-freezer single-chip microcomputer, two temperature setting modules and three integrated form temperature sensing modules, each Temperature setting module includes a thermoregulation knob and a rotary rheostat being arranged on outside refrigerator-freezer, each rotary change The resistance adjustment end of resistance device connects with corresponding thermoregulation knob, and each rotary rheostatic first end is electrically connected with control power supply Connect, each rotary setting end of rheostatic second end with three integrated form temperature sensing modules is connected, three integrated forms Three layers of temperature sensing module point is arranged in refrigerator-freezer, and the output end of each integrated form temperature sensing module is electromechanical with refrigerator-freezer monolithic Connection, the output end of refrigerator-freezer single-chip microcomputer are electrically connected with refrigerator-freezer indicator, and refrigerator-freezer indicator is arranged on the outer wall of refrigerator-freezer.Each collection Accepted way of doing sth temperature sensing module includes TC602 temperature sensors, resistance R1, resistance R2, resistance R3, resistance R4, light emitting diode LED1, LED 2, voltage-regulator diode VD, electric capacity C1, triode Q1 and triode Q2, TC602 temperature sensor Second connection end is connected with rotary rheostatic second end, the 3rd connection end of TC602 temperature sensors and another Rotary rheostatic second end connection, the 8th connection end and control power supply, the TC602 TEMPs of TC602 temperature sensors The 4th connection end ground connection of device, the 6th connection end of TC602 temperature sensors are connected by resistance R3 with triode Q1 base stage, 7th connection end of TC602 temperature sensors is connected by resistance R4 with triode Q2 base stage, triode Q1 colelctor electrode with The negative electrode connection of LED 1, the anode of LED 1 pass through resistance R1 and control power electric connection, three poles Pipe Q1 emitter stage is grounded by voltage-regulator diode VD, and triode Q2 emitter stage is connected with the negative electrode of LED 2, The anode of LED 2 is by resistance R2 and control power electric connection, and triode Q2 colelctor electrode is also by the pole of voltage stabilizing two Pipe VD is grounded, and triode Q1 emitter stage is connected with triode Q2 colelctor electrode, triode Q1 emitter stage and single-chip microcomputer it is defeated Enter output end connection, electric capacity C1 first end is connected with triode Q1 emitter stage, electric capacity C1 the second end ground connection.Triode Q1 For NPN triode, triode Q2 is PNP triode.TC602 temperature sensors are arranged on the same vertical line of refrigerator-freezer.Luminous two Pole pipe LED1 is located in a upward arrow shell, and LED 2 is located in a lower arrow shell, outside upward arrow Shell and lower arrow shell are each attached on the outer wall of refrigerator-freezer.Refrigerator-freezer indicator is segment encode tube display screen.
The present embodiment employs two temperature setting modules, can set two kinds of alarm numbers of high temperature alarm and low-temperature warning According to, while three integrated form temperature sensing modules are distributed in refrigerator-freezer by high, normal, basic three layers and reach in refrigerator-freezer each level height all There are detection data, as long as the temperature of arbitrary levels exceedes the temperature threshold of setting either less than setting in so three levels Temperature threshold then can all alarm, and be alarmed by indicator during alarm.
Embodiment described above is a kind of preferable scheme of the present utility model, not the utility model is made any Formal limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.

Claims (6)

1. the two temperature sensor alarming circuit that a kind of refrigerator-freezer three-layer type is distributed, powered by the control power supply of refrigerator-freezer, its feature exists In:Including refrigerator-freezer indicator, refrigerator-freezer single-chip microcomputer, two temperature setting modules and three integrated form temperature sensing modules, Mei Gewen Spending setting module includes a thermoregulation knob and a rotary rheostat being arranged on outside refrigerator-freezer, each rotary variable resistance The resistance adjustment end of device connects with corresponding thermoregulation knob, and each rotary rheostatic first end is electrically connected with control power supply Connect, each rotary setting end of rheostatic second end with three integrated form temperature sensing modules is connected, three collection Three layers of accepted way of doing sth temperature sensing module point is arranged in the refrigerator-freezer, the output end of each integrated form temperature sensing module with it is described Refrigerator-freezer monolithic mechatronics, the output end of refrigerator-freezer single-chip microcomputer electrically connect with refrigerator-freezer indicator, and the refrigerator-freezer indicator is arranged on ice On the outer wall of cabinet.
2. the two temperature sensor alarming circuit that refrigerator-freezer according to claim 1 three-layer type is distributed, it is characterised in that:Each Described integrated form temperature sensing module includes TC602 temperature sensors, resistance R1, resistance R2, resistance R3, resistance R4, hair Optical diode LED1, LED 2, voltage-regulator diode VD, electric capacity C1, triode Q1 and triode Q2, TC602 temperature The second connection end of sensor is connected with rotary rheostatic second end, the 3rd connection end of TC602 temperature sensors It is connected with another rotary rheostatic second end, the 8th connection end and control power supply, the TC602 of TC602 temperature sensors The 4th connection end ground connection of temperature sensor, the 6th connection end of TC602 temperature sensors pass through resistance R3's and triode Q1 Base stage is connected, and the 7th connection end of TC602 temperature sensors is connected by resistance R4 with triode Q2 base stage, triode Q1's Colelctor electrode is connected with the negative electrode of LED 1, and the anode of LED 1 is electrically connected by resistance R1 and control power supply Connect, triode Q1 emitter stage is grounded by voltage-regulator diode VD, triode Q2 emitter stage and the moon of LED 2 Pole connects, the anode of LED 2 by resistance R2 and control power electric connection, triode Q2 colelctor electrode also by Voltage-regulator diode VD is grounded, and triode Q1 emitter stage is connected with triode Q2 colelctor electrode, triode Q1 emitter stage and list The input/output terminal connection of piece machine, electric capacity C1 first end are connected with triode Q1 emitter stage, electric capacity C1 the second end ground connection.
3. the two temperature sensor alarming circuit that refrigerator-freezer according to claim 1 three-layer type is distributed, it is characterised in that:Three poles Pipe Q1 is NPN triode, and triode Q2 is PNP triode.
4. the two temperature sensor alarming circuit that the refrigerator-freezer according to Claims 2 or 3 is distributed with three-layer type, it is characterised in that: TC602 temperature sensors are arranged on the same vertical line of refrigerator-freezer.
5. the two temperature sensor alarming circuit that refrigerator-freezer according to claim 1 three-layer type is distributed, it is characterised in that:It is luminous Diode (LED) 1 is located in a upward arrow shell, and LED 2 is located in a lower arrow shell, it is described on Arrow shell and lower arrow shell are each attached on the outer wall of refrigerator-freezer.
6. the two temperature sensor alarming circuit that refrigerator-freezer according to claim 1 three-layer type is distributed, it is characterised in that:It is described Refrigerator-freezer indicator is segment encode tube display screen.
CN201721115294.8U 2017-09-01 2017-09-01 The two temperature sensor alarming circuit that a kind of refrigerator-freezer three-layer type is distributed Expired - Fee Related CN207214630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721115294.8U CN207214630U (en) 2017-09-01 2017-09-01 The two temperature sensor alarming circuit that a kind of refrigerator-freezer three-layer type is distributed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721115294.8U CN207214630U (en) 2017-09-01 2017-09-01 The two temperature sensor alarming circuit that a kind of refrigerator-freezer three-layer type is distributed

Publications (1)

Publication Number Publication Date
CN207214630U true CN207214630U (en) 2018-04-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721115294.8U Expired - Fee Related CN207214630U (en) 2017-09-01 2017-09-01 The two temperature sensor alarming circuit that a kind of refrigerator-freezer three-layer type is distributed

Country Status (1)

Country Link
CN (1) CN207214630U (en)

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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: 20180410

Termination date: 20180901