CN205015754U - Electronic temperature controller - Google Patents
Electronic temperature controller Download PDFInfo
- Publication number
- CN205015754U CN205015754U CN201520713558.4U CN201520713558U CN205015754U CN 205015754 U CN205015754 U CN 205015754U CN 201520713558 U CN201520713558 U CN 201520713558U CN 205015754 U CN205015754 U CN 205015754U
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- CN
- China
- Prior art keywords
- base
- interface
- upper cover
- circuit board
- knob
- 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
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Abstract
The utility model provides an electronic temperature controller, includes upper cover, base, installation control scheme board in the base, base upper end are equipped with the upper cover to be covered on, and is equipped with the knob, and the regulator potentiometer on the control scheme board is connected to the knob, be equipped with the pencil that is connected to power, compressor and temperature sensor on the control scheme board, the pencil draws forth the base on by the control scheme board, and the base outside is stayed to the pencil interface, upper cover, base and control scheme board are fan -shaped. Have safety, energy -conservation, environmental protection, personalization, intellectuality, the controllable characteristics of outward appearance, and the temperature -controlled precision is high, the temperature sets up scope continuously adjustable, error range is little, has increased the frequent starting protection function of compressor.
Description
Technical field
The utility model relates to a kind of electronic temperature controller.
Background technology
There is poor reliability in tradition mechanical temperature controller, precision is not high, and temperature control point precision is not high and discontinuous, and error range is large, unprotect function, the defects such as function singleness.Along with the fast development of electronic technology, market has occurred electronic temperature controller, existing electronic temperature controller improves thermometric precision, reduces error.But function is still too single, intelligence not, without Control protection function, structure comparatively complexity causes cost to increase, and also reckons without the installation dimension requirement of client's complete machine.Only consider the aesthetic property of temperature controller itself in appearance, do not consider client's complete machine overall aesthetics, and popular without individual character, need client's complete machine structure to coordinate temperature controller.In future, temperature controller will towards the future development such as safety, energy-saving and environmental protection, personalization, intellectuality, outward appearance be controlled.Simultaneously client claims module supply, the i.e. supply of material
after temperature controller, knob, temp. controlling box, wire harness assembling.
Utility model content
Its object of the utility model is just to provide a kind of electronic temperature controller; have the advantages that safety, energy-saving and environmental protection, personalization, intellectuality, outward appearance are controlled; and temperature-controlled precision is high, temperature arranges scope continuously adjustabe, error range is little, adds high frequent starting protection function.
Realize above-mentioned purpose and the technical scheme taked, comprise upper cover, base, in described base, control circuit board is installed, base upper end is provided with upper cover, above covers and is provided with knob, the regulator potentiometer on knob connection control wiring board, described control circuit board is provided with the wire harness being connected to power supply, compressor and temperature sensor, wire harness wears base by control circuit board is drawn, and wiring harness interface stays base exterior, and described upper cover, base and control circuit board are fan-shaped.
beneficial effect
Compared with prior art the utility model has the following advantages.
1) potentiometer adjustment temperature control point is adopted, temperature control point scope continuously adjustabe;
2) temperature-controlled precision is high, adjust a some measurement tolerance to be no more than ± 1 DEG C;
3) Single-chip Controlling, sampling, calculate, Based Intelligent Control, reliability is high;
4) environmental protection, all material all meets ROHS requirement;
5) compatible mechanical formula temperature controller size, substitutes simple and convenient, ensure that the original aesthetic property of client's complete machine outward appearance;
6) there is high frequent starting protection function.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is this apparatus structure schematic front view;
Fig. 2 is Fig. 1 side sectional view;
Fig. 3 is this device control circuit board electricity principle schematic.
Embodiment
This device comprises upper cover 2, base 3, as shown in Figure 1 and Figure 2, in described base 3, control circuit board 4 is installed, base 3 upper end is provided with upper cover 2, and upper cover 2 is provided with knob 1, the regulator potentiometer interface J2 on knob 1 connection control wiring board 4, described control circuit board 4 is provided with the wire harness 5 being connected to power supply, compressor and temperature sensor, wire harness 5 wears base 3 by control circuit board 4 is drawn, and it is outside that wire harness 5 interface stays base 3, and described upper cover 2, base 3 and control circuit board 4 is fan-shaped.
Described control circuit board 4 comprises power supply, control system, adjustment and sensor interface circuitry, driving circuit,
1) power supply comprises input, filtering, LNK306 and peripheral circuit thereof, 7805 and peripheral circuit, LM1117-3.3;
2) control system comprises single-chip microcomputer STM8S003F3P6 and peripheral circuit thereof;
3) adjustment and sensor interface circuitry comprise turn knob potentiometer interface J2, electric capacity C7 and temperature sensor interface J3, resistance R9, electric capacity C8, and driving circuit comprises triode 9013, relay R LY1 and peripheral circuit;
Described wire harness 5 interface J1 is power supply input and compressor output interface; J2 is turn knob potentiometer interface; J3 is temperature sensor interface; J4 is power light interface; J5 is debugging display interface device.
Embodiment
This device is made up of knob 1, control circuit board 4, upper cover 2, base 3, wire harness 5, as shown in Figure 1 and Figure 2, knob 1 is arranged on upper cover 2, knob 1 can regulate set temperature continuously, fan-shaped base 3 installs fan-shaped control circuit board 4, upper cover 2 is installed on the base 3 again, wire harness 5 is by control circuit board 4 being drawn through fan-shaped base 3, interface stays outside, user only needs the interface each identified to be connected respectively to power supply, compressor and temperature sensor, substitutes mechanical thermostat simple and convenient.
Rotate the spin manifold temperature that knob 1 can control refrigerator to rise or decline, Intelligent Measurement compressor whether frequent starting, thus protection compressor.
The composition of control circuit board 4 and circuit working principle, as shown in Figure 3:
Structure and composition:
The electric routing power of control circuit board 4, control system, adjustment and the composition such as sensor interface circuitry, driving circuit.
Power supply: by input, filtering, LNK306 and peripheral circuit thereof, 7805 and peripheral circuit, LM1117-3.3 etc. form.
Control system: be made up of single-chip microcomputer STM8S003F3P6 and peripheral circuit thereof.
Regulate and sensor interface circuitry: be made up of J2, J3, R9, C7, C8, driving circuit: be made up of triode 9013, relay R LY1 and peripheral circuit etc.
Annexation:
J1: wire harness 5 interface, that is: power supply input and compressor output interface;
J2: turn knob potentiometer interface;
J3: temperature sensor interface;
J4: power light interface;
J5: debugging display interface device.
Principle of work:
After refrigerator is connected with the mains and is started, 220V civil power is through rectifying and wave-filtering, be input to switching power source chip LNK306, after LNK306 and peripheral circuit thereof, obtain galvanic current pressure 12V, then obtain direct current 5V through 7805, obtain 3.3V direct current supply single-chip microcomputer through LM1117-3.3, single-chip microcomputer adopts the STM8S003F3P6 of ST company, by it by Control compressor start and stopping.Compressor starts to start cooling under the control of temperature controller, when dropping to the temperature of temperature controller setting, temperature sensor converts temperature signal to electric signal, single-chip microcomputer gathers this signal, after treated calculating, control contact in temperature controller to disconnect, compressor quits work, evaporator of refrigerator temperature starts to rise, in like manner, when temperature rises to the connection temperature of temperature controller setting, control contacting in temperature controller, compressor start starts cooling, so continuously start and stop compressor (if start, stop interval time lower than 3 minutes, then wait until 3 minutes, thus protection compressor, high frequent is avoided to start and damage), the temperature constant in refrigerator body a temperature range.
Claims (2)
1. an electronic temperature controller, comprise upper cover (2), base (3), it is characterized in that, in described base (3), control circuit board (4) is installed, base (3) upper end is provided with upper cover (2), upper cover (2) is provided with knob (1), regulator potentiometer interface J2 on knob (1) connection control wiring board (4), described control circuit board (4) is provided with and is connected to power supply, the wire harness (5) of compressor and temperature sensor, wire harness (5) wears base (3) by the upper extraction of control circuit board (4), it is outside that wire harness (5) interface stays base (3), described upper cover (2), base (3) and control circuit board (4) are for fan-shaped.
2. a kind of electronic temperature controller according to claim 1, it is characterized in that, described control circuit board (4) comprises power supply, control system, adjustment and sensor interface circuitry, driving circuit, and power supply comprises input, filtering, LNK306 and peripheral circuit thereof, 7805 and peripheral circuit, LM1117-3.3; Control system comprises single-chip microcomputer STM8S003F3P6 and peripheral circuit thereof; Regulate and comprise turn knob potentiometer interface J2, electric capacity C7 and temperature sensor interface J3, resistance R9, electric capacity C8 with sensor interface circuitry, driving circuit comprises triode 9013, relay R LY1 and peripheral circuit; Described wire harness (5) interface J1 is power supply input and compressor output interface; J2 is turn knob potentiometer interface; J3 is temperature sensor interface; J4 is power light interface; J5 is debugging display interface device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520713558.4U CN205015754U (en) | 2015-09-16 | 2015-09-16 | Electronic temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520713558.4U CN205015754U (en) | 2015-09-16 | 2015-09-16 | Electronic temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205015754U true CN205015754U (en) | 2016-02-03 |
Family
ID=55214347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520713558.4U Expired - Fee Related CN205015754U (en) | 2015-09-16 | 2015-09-16 | Electronic temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205015754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105630029A (en) * | 2015-09-16 | 2016-06-01 | 九江恒通自动控制器有限公司 | Electronic temperature controller |
-
2015
- 2015-09-16 CN CN201520713558.4U patent/CN205015754U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105630029A (en) * | 2015-09-16 | 2016-06-01 | 九江恒通自动控制器有限公司 | Electronic temperature controller |
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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: 20160203 Termination date: 20170916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |