CN206670185U - A kind of temperature control circuit for Internet of Things semiconductor refrigeration box - Google Patents
A kind of temperature control circuit for Internet of Things semiconductor refrigeration box Download PDFInfo
- Publication number
- CN206670185U CN206670185U CN201720422847.8U CN201720422847U CN206670185U CN 206670185 U CN206670185 U CN 206670185U CN 201720422847 U CN201720422847 U CN 201720422847U CN 206670185 U CN206670185 U CN 206670185U
- Authority
- CN
- China
- Prior art keywords
- temperature
- circuit
- electrically connected
- input
- tds
- 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
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a kind of temperature control circuit for Internet of Things semiconductor refrigeration box of temperature control circuit technical field,Including temperature collection circuit,The output end of the temperature collection circuit is electrically connected with the input of microprocessor,The input of the microprocessor is electrically connected with the output end of earth leakage protective device,When long-time is in low-temperature condition,Temperature detect switch (TDS) SB1 contact can fail,Now need to heat,Resistive heater L circuit is connected by temp compensation switch SB2,Raise refrigerated case temperature,When temperature detect switch (TDS) SB1 contact failure,Refrigerated case temperature raises,Driver element is controlled by microprocessor,And then make alarm work,Remind user,Temperature information is launched to remote mobile terminal using RF transmit-receive circuit simultaneously,Carry out distant early warning prompting,The circuit structure is simple,Freezed for a long time instead of agent for storage of coldness using cooling piece,Temperature adjustment is convenient.
Description
Technical field
It the utility model is related to temperature control circuit technical field, specially a kind of temperature control for Internet of Things semiconductor refrigeration box
Circuit.
Background technology
Refrigerating box is the instrument that people commonly use during food transport and drug delivery, and it has certain cold-storage insulation
Effect, refrigerating box is during use, the meltable chemical conversion liquid of agent for storage of coldness in refrigerating box, after a period of time, agent for storage of coldness
No longer freeze because of fusing, it is therefore desirable to change agent for storage of coldness in reasonable time.However, existing refrigerating box does not possess in real time
The function of monitoring temperature, and replacing agent for storage of coldness is very inconvenient, causes refrigeration poor, can not meet requirement, therefore, I
It is proposed a kind of temperature control circuit for Internet of Things semiconductor refrigeration box.
Utility model content
The purpose of this utility model is to provide a kind of temperature control circuit for Internet of Things semiconductor refrigeration box, with solution
The existing refrigerating box proposed in background technology is stated due to the reason of agent for storage of coldness, the problem of long-term refrigeration requires can not be met.
To achieve the above object, the utility model provides following technical scheme：One kind is used for Internet of Things semiconductor refrigeration box
Temperature control circuit, including temperature collection circuit, the output end of the temperature collection circuit is electrically connected with the input of microprocessor,
The input of the microprocessor is electrically connected with the output end of earth leakage protective device, and the input of the earth leakage protective device is electrical
The output end of power module is connected, driver element, refrigeration circuit and radio frequency is electrically connected in the output end of the microprocessor
The input of transmission circuit, the output end of the driver element are electrically connected with the input of alarm.
Preferably, the temperature collection circuit includes Vout ports, the Vout ports and connecting resistance R1 and TEMP
Device D1 No. 2 ports, the other end of the resistance R1 and No. 3 ports for meeting VCC and temperature sensor D1, the temperature sensor
D1 No. 1 port ground connection.
Preferably, the refrigeration circuit includes Ui positive poles port, the Ui positive poles port and jointing temp compensating switch SB2 and
Temperature detect switch (TDS) SB1, the temp compensation switch SB2 other end concatenation resistive heater L, the resistive heater L's is another
Hold and connect Ui negative poles port, cooling piece T and PTC starter, the other end of the cooling piece T and PTC starter concatenates fusing
Device FU, the fuse FU other end concatenation temperature detect switch (TDS) SB1 other end.
Preferably, the temperature detect switch (TDS) SB1 is thermojunction type temperature detect switch (TDS).
Compared with prior art, the beneficial effects of the utility model are：The utility model can by temperature collection circuit
Temperature in collection refrigerating box in real time, temperature information is sent to microprocessor, and is launched by RF transmit-receive circuit to long-range and moved
Dynamic terminal, remote mobile terminal can grasp the working condition of refrigerating box in real time, when long-time is in low-temperature condition, temperature detect switch (TDS)
SB1 contact can be failed, and now need to heat, i.e., resistive heater L circuit is connected by temp compensation switch SB2, is made cold
The rise of box temperature degree is hidden, when temperature detect switch (TDS) SB1 contact failure, refrigerated case temperature rise, controls driving single by microprocessor
Member, and then make alarm work, user is reminded, while launch temperature information to remote mobile end using RF transmit-receive circuit
End, distant early warning prompting is carried out, the circuit structure is simple, is freezed for a long time instead of agent for storage of coldness using cooling piece, temperature adjustment
It is convenient.
Brief description of the drawings
Fig. 1 is the utility model principle block diagram；
Fig. 2 is the utility model temperature acquisition circuit diagram；
Fig. 3 is the utility model refrigeration circuit figure.
In figure：1 temperature collection circuit, 2 microprocessors, 3 driver elements, 4 alarms, 5 refrigeration circuits, 6 radio-frequency receiving-transmittings electricity
Road, 7 power modules, 8 earth leakage protective devices.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of temperature for Internet of Things semiconductor refrigeration box
Circuit, including temperature collection circuit 1 are controlled, the output end of the temperature collection circuit 1 is electrically connected with the input of microprocessor 2,
The input of the microprocessor 2 is electrically connected with the output end of earth leakage protective device 8, the input of the earth leakage protective device 8
The output end of power module 7 is electrically connected with, driver element 3, refrigeration circuit is electrically connected in the output end of the microprocessor 2
5 and the input of RF transmit-receive circuit 6, the output end of the driver element 3 is electrically connected with the input of alarm 4.
Wherein, the temperature collection circuit 1 includes Vout ports, the Vout ports and connecting resistance R1 and temperature sensor
D1 No. 2 ports, the other end of the resistance R1 and No. 3 ports for meeting VCC and temperature sensor D1, the temperature sensor D1
No. 1 port ground connection, the refrigeration circuit 5 includes Ui positive poles port, the Ui positive poles port and jointing temp compensating switch SB2 with
Temperature detect switch (TDS) SB1, the temp compensation switch SB2 other end concatenation resistive heater L, the resistive heater L's is another
Hold and connect Ui negative poles port, cooling piece T and PTC starter, the other end of the cooling piece T and PTC starter concatenates fusing
Device FU, the fuse FU other end concatenation temperature detect switch (TDS) SB1 other end, the temperature detect switch (TDS) SB1 is thermojunction type temperature
Control switch.
Operation principle：Using the temperature in temperature sensor D1 detection refrigerating boxes, microprocessor 2 receives detection signal, with
The temperature of setting is compared, if temperature is higher than setting value, temperature detect switch (TDS) SB1 connects cooling piece T operating circuit, makes its work
Cooling, by PTC starter access circuit in parallel with cooling piece T, connected in a flash, due to PTC starter just in circuit
By electric current, caused heat is seldom, and temperature is relatively low, and resistance very little is in the conduction state, cooling piece T work, 5s is arrived by 1
Afterwards, the fuel factor of electric current makes PTC starter temperature raise rapidly, and after temperature is more than 100 DEG C, PTC starter is in high-impedance state,
Cooling piece T is set to be in open-circuit condition, at this moment, the electric current for flowing through PTC starter plays maintenance high resistant temperature just, and cooling piece is completed
Start-up course, after cooling piece T parkings, PTC starter power-off, begin to cool down, when temperature is down to below 70 DEG C, recover low-resistance
State, so as to be got ready to start next time, when long-time is in low-temperature condition, temperature detect switch (TDS) SB1 contact can fail,
Now need to heat, i.e., resistive heater L circuit is connected by temp compensation switch SB2, refrigerated case temperature is raised, works as temperature
During control switch SB1 contact failure, refrigerated case temperature rise, driver element 3 is controlled by microprocessor 2, and then make alarm 4
Work, user is reminded, while launched temperature information to remote mobile terminal using RF transmit-receive circuit 6, carried out long-range pre-
Alert prompting, the circuit structure is simple, is freezed for a long time instead of agent for storage of coldness using cooling piece, and temperature adjustment is convenient.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of temperature control circuit for Internet of Things semiconductor refrigeration box, including temperature collection circuit (1), it is characterised in that：Institute
The output end for stating temperature collection circuit (1) is electrically connected with the input of microprocessor (2), the input of the microprocessor (2)
The output end of earth leakage protective device (8) is electrically connected with, the input of the earth leakage protective device (8) is electrically connected with power module
(7) driver element (3), refrigeration circuit (5) and radio frequency is electrically connected in output end, the output end of the microprocessor (2)
The input of transmission circuit (6), the output end of the driver element (3) are electrically connected with the input of alarm (4).
A kind of 2. temperature control circuit for Internet of Things semiconductor refrigeration box according to claim 1, it is characterised in that：It is described
Temperature collection circuit (1) includes No. 2 ports of Vout ports, the Vout ports and connecting resistance R1 and temperature sensor D1, institute
State the resistance R1 other end and connect VCC and temperature sensor D1 No. 3 ports, No. 1 port ground connection of the temperature sensor D1.
A kind of 3. temperature control circuit for Internet of Things semiconductor refrigeration box according to claim 1, it is characterised in that：It is described
Refrigeration circuit (5) includes Ui positive poles port, the Ui positive poles port and jointing temp compensating switch SB2 and temperature detect switch (TDS) SB1, described
Temp compensation switch SB2 the other end concatenation resistive heater L, the other end of the resistive heater L and connect Ui negative poles port,
The other end of cooling piece T and PTC starter, the cooling piece T and PTC starter concatenates fuse FU, the fuse FU
Other end concatenation temperature detect switch (TDS) SB1 the other end.
A kind of 4. temperature control circuit for Internet of Things semiconductor refrigeration box according to claim 3, it is characterised in that：It is described
Temperature detect switch (TDS) SB1 is thermojunction type temperature detect switch (TDS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720422847.8U CN206670185U (en) | 2017-04-21 | 2017-04-21 | A kind of temperature control circuit for Internet of Things semiconductor refrigeration box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720422847.8U CN206670185U (en) | 2017-04-21 | 2017-04-21 | A kind of temperature control circuit for Internet of Things semiconductor refrigeration box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206670185U true CN206670185U (en) | 2017-11-24 |
Family
ID=60375324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720422847.8U Expired - Fee Related CN206670185U (en) | 2017-04-21 | 2017-04-21 | A kind of temperature control circuit for Internet of Things semiconductor refrigeration box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206670185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460907A (en) * | 2020-11-25 | 2021-03-09 | 中健云康(广州)物流供应链有限公司 | Intelligent refrigerator management method, system, equipment and medium |
-
2017
- 2017-04-21 CN CN201720422847.8U patent/CN206670185U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460907A (en) * | 2020-11-25 | 2021-03-09 | 中健云康(广州)物流供应链有限公司 | Intelligent refrigerator management method, system, equipment and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102522609B (en) | Lithium-ion battery heat insulation device and control method thereof | |
| CN104154704B (en) | A kind of high in the clouds detection refrigerator defrost failure system | |
| CN102176377A (en) | Method for controlling temperature of electrolytic capacitor and temperature-controllable electrolytic capacitor using same | |
| CN103812165A (en) | Ultralow-temperature automotive starting power supply | |
| CN206670185U (en) | A kind of temperature control circuit for Internet of Things semiconductor refrigeration box | |
| CN103309373B (en) | Low-temperature single chip microcomputer starting and working method and low-temperature running single chip microcomputer system for achieving method | |
| CN205881107U (en) | Dewfall alarm | |
| CN201344695Y (en) | Refrigerator with refrigerating chamber temperature compensating device | |
| CN207967255U (en) | A kind of lithium ion battery low-temperature heating system | |
| CN109682154A (en) | A kind of air cooling refrigerator evaporator defrosting system and control method | |
| CN104317336B (en) | Control method of pressure control apparatus of low-temperature working medium immersion type superconducting magnet | |
| CN203186822U (en) | Chocolate storage cabinet | |
| CN204611651U (en) | The temperature control heating system of lava lamp | |
| CN104317331A (en) | Pre-heating control device and pre-heating control method based on optical MOS relay | |
| CN203224798U (en) | Temperature controller suitable for low-temperature environment | |
| CN204439171U (en) | The liquid level reminding device of monitoring transformer oil liquid level | |
| CN203837818U (en) | Calibration apparatus for infrared temperature measurement system | |
| CN204129114U (en) | Transformer electric energy meter | |
| CN104330619B (en) | Transformer electric energy meter and heat Balance Calculation alarm method thereof | |
| CN102611363A (en) | Micro-power consumption starter of refrigeration compressor motor | |
| CN106684994A (en) | Battery charging-discharging apparatus and electric bicycle | |
| CN202535040U (en) | Over-temperature protection circuit used for power device | |
| CN202840963U (en) | Special fly-back switching power supply for electronic refrigeration type water dispensers and ice bar wine cabinets | |
| CN202217196U (en) | Temperature retaining circuit | |
| CN207907563U (en) | A kind of refrigerator defrosting mechanism |
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: 20171124 Termination date: 20180421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |