CN201097235Y - Network type timing temperature controller - Google Patents
Network type timing temperature controller Download PDFInfo
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- CN201097235Y CN201097235Y CNU2007200915792U2007200915792U CN200720091579U CN201097235Y CN 201097235 Y CN201097235 Y CN 201097235Y CN U2007200915792U2007200915792 U CNU2007200915792U2007200915792 U CN U2007200915792U2007200915792U CN 200720091579 U CN200720091579 U CN 200720091579U CN 201097235 Y CN201097235 Y CN 201097235Y
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Abstract
The utility model relates to a network type timing temperature controller, which is mainly used for the control of a central air conditioner fan coil unit, and the metering and the charging of a central air conditioner. The network type timing temperature controller comprises a core CPU module, a peripheral circuit, and a function control module, wherein the peripheral circuit comprises a programming interface, a temperature sampling module, a remote control module, a local display module, and a communication module, the function control module comprises a fan coil unit gear controller and a valve controller, the CPU is provided with a corresponding I/O port which is respectively connected with each control input interface of control modules, namely, CONT_H, CONT_M, CONT_L, CONT_F, and CONT_F2, and the output interfaces of the control module, namely, HIGH, MID, LOW, F_ONE, and F_TWO, control and are connected with the high gear, the middle gear and the low gear of the fan coil unit, a user control valve or an electric-heating controlled device. The network type timing temperature controller of the utility model realizes effective timing and charging of the central air conditioner with lower cost, and is adapted to the mainstream trends of the development of the current energy conservation type country. The network type timing temperature controller has the advantages of convenient installation and operation, accurate metering, and long storage time for metering data information.
Description
(1), technical field: the utility model relates to a kind of central air conditioner attemperating unit, particularly relates to a kind of network-type timing temperature controller, is mainly used in the metering and billing of control of central air conditioner fan coil and central air conditioner.
(2), background technology: the charging of conventional central air-conditioning is adopted calculating use energy or is calculated service time, and there are a lot of drawbacks in the way of sharing then, and for environmental protection and purpose of energy saving, the household cost allocation of current realization central air conditioner is a kind of inevitable trend.Adopt and calculate the method that the user independently uses energy, the used device cost is big, installation and maintenance are difficult, and adopts the user's method of service time of calculating, then lower, the easy installation and maintenance of used device cost.In order to change this kind situation, the patent No. is that the Chinese utility model patent (Granted publication day is on March 20th, 2002, notification number CN2482656Y) of ZL 01229053.X has proposed a kind of charging type central air conditioner temperature controller, comprise temperature sensor, motorized valve control module, data presentation LCD, central data processor, key-press module, data memory module, blower fan gear control module, the timer input end with cumulative time function is connected with motorized valve control module output terminal with blower fan gear control module; The communication module FPDP is connected with central data processor FPDP and timer output terminal, and this device can be realized central air conditioner user adjustment, air-conditioning consumption household metering.Have advantages such as practical, that cost is low, the installation maintenance is convenient, metering and billing is accurately reasonable.Its weak point be the function mistake in simply, can not satisfy current central air conditioner user's diversified demand, after opening, user's blower fan and valve will produce metering, no matter the cold and hot effect that air-conditioning supplies water, charging can't really realize producing effect, certainly will increase user's financial burden, also make the fairness of chargeing be under suspicion, incompatible with current energy-saving and cost-reducing social overall situation.In addition, temperature control means is to come continuous switch motorized valve to reach the temperature control purpose in conjunction with temperature collect module collecting temperature information, can't realize temperature control for a lot of air conditioner users of for reducing cost motorized valve being installed not in actual applications.
(3), utility model content:
The utility model proposes a kind of network-type timing temperature controller at the deficiency that prior art central air conditioner temperature controller exists, and has realized the Fare determined by travel time that produces effect of central air conditioner adapting to current energy-efficient society development main flow trend with lower cost.At actual conditions in using, be equipped with the communication output interface that plurality of optional is selected, made things convenient for equipment networking, install, easy to use, accurate measurement, continuous data information holding time be long, except that having general fan coil temperature controller basic function, also possess functions such as building anti-freezing, the setting of temperature limit and centralized control.
The technical solution adopted in the utility model is:
The utility model network-type timing temperature controller contains core CPU module, peripheral circuit and functional control module two parts, can integrated or separately combination.Temperature controller contains basic modules such as central processor CPU, communication module, temperature acquisition and remote control module, control module, on-the-spot display module and power module, and the reset terminal RST of CPU and MISO, MOSI_KEY5, P_SCK are connected with RST, MISO, MOSI_KEY5, the P_SCK of DLL (dynamic link library) J4; The port DQ of CPU is connected with the corresponding interface DQ of J5, is the temperature acquisition interface; The port RED_D of CPU is connected with the corresponding interface RED_D of J6, is the remote control input interface; Port KEY1～KEY4, the MOSI_KEY5 of CPU is connected with corresponding interface KEY1～KEY4, the MOSI_KEY5 of J3, is the button input interface; Port CONT_H, the CONT_M of CPU, CONT_L, CONT_F, CONT_F2 are connected with corresponding interface CONT_H, CONT_M, CONT_L, CONT_F, the CONT_F2 of control module respectively, thereby control 5 tunnel output HIGH, MID, LOW, F_ONE, F_TWO; Port ONT_NC1, the CONT_NC2 of CPU is standby port, in communication modes two (RS485 bus), is used for the transmitting-receiving of control bus; The RXD of CPU, TXD are connected with corresponding interface RXD, the TXD of communication module respectively; D_COM0～D_COM3 of CPU, D_SEG0～D_SEG24 are connected with corresponding interface D_COM0～D_COM3, the D_SEG0～D_SEG24 of display module respectively.
Described network-type timing temperature controller contains clock module, adopts HT1381, or DS1302 etc. has the clock chip of similar functions.Three port T_CLK, the T_DATA of central processing module CPU, T_RST are connected with corresponding interface T_CLK, T_DATA, the T_RST of clock module respectively.The utility model provides displaying calendar and clock in conjunction with display module for the user, for functions such as timed power on/off provide the time source.Binding modules and software can provide timed power on/off, enter more humane functions such as sleep pattern automatically.
The network-type timing temperature controller contains temperature acquisition and remote control module, adopts the built-in analog to digital conversion realization temperature collection of thermistor in conjunction with CPU, and the timing signal that produces effect of Fare determined by travel time function can be obtained by the host computer instruction, or acquiescence effectively.Remote control module makes that the practicality of product is stronger, has made things convenient for the using and controlling of air-conditioning, and meets the requirement of people's door Energy and comfort, and easy to use, comfortable, remote control module adopts integrated reception head, realization distant control function that can be convenient and reliable.The port DQ of CPU is connected with the corresponding interface DQ of J5, is the temperature acquisition interface; The port RED_D of CPU is connected with the corresponding interface RED_D of J6, is the remote control input interface.
Described network-type timing temperature controller contains DLL (dynamic link library) and key-press module, and for system's single-chip microcomputer provides DLL (dynamic link library), the reset terminal RST of CPU and MISO, MOSI_KEY5, P_SCK are connected with RST, MISO, MOSI_KEY5, the P_SCK of DLL (dynamic link library) J4; Button adopts the touch-screen button, has the outward appearance novelty, uses and characteristics easy for installation, and port KEY1～KEY4, the MOSI_KEY5 of CPU is connected with corresponding interface KEY1～KEY4, the MOSI_KEY5 of J3, is the button input interface.
Described network-type timing temperature controller contains the control output module, port CONT_H, the CONT_M of CPU, CONT_L, CONT_F, CONT_F2 are connected with corresponding interface CONT_H, CONT_M, CONT_L, CONT_F, the CONT_F2 of control module respectively, thereby control 5 tunnel output HIGH, MID, LOW, F_ONE, F_TWO.Can provide five tunnel control outputs, the high, medium and low shelves and the valve of may command blower fan.
Communication module can adopt the BUS bus, and any one can realize network savvy by this module in RS485 bus, LONWORK bus, the CAN bus.When module adopted the BUS bus, communicating circuit U21 adopted BUS bus chip CMT001, or adopted TSS721; OP21, OP22 are high speed photo coupling 6N137, or other high speed photo coupling; B22 is an electric bridge.The RXD of CPU, TXD are connected with corresponding interface RXD, the TXD of communication module respectively, realize the electrical isolation of communication network and temperature controller by optocoupler OP21, OP22.Signal RXD2, TXD2 after the isolation is connected with RXD2, the TXD2 of BUS bus chip CMT001, realizes being connected with outside non-polar BUS bus by CMT001 and electric bridge B22.Implement simply, communication node is many, communication robust.
The utility model network-type timing temperature controller can be realized as functions such as building anti-freezing, the setting of temperature limit, remote centralized controls in conjunction with the program that writes.Relatively T1, T2, T3 determine that the motorized valve of opening when T1＜T2＜T3 wherein, T0＜T2 enters the antifreeze state of one-level according to the temperature of the temperature value T0 that collects of temperature collect module and setting; Blower motor enters the antifreeze state of secondary during T0＜T1, withdraws from antifreeze state during T0＞T3.Set temperature limit merit and set refrigeration lower limit and heating upper limit indoor temperature in administrative center by network instruction; Or on-the-spot password setting refrigeration lower limit and heating upper limit indoor temperature, play the pressure energy-conserving action.The remote centralized control function is by instructing running statuses such as the ON/OFF of long-range appointment fan coil, refrigeration/heating pattern, blower fan gear, setting indoor temperature from administrative center.
Positive beneficial effect of the present utility model:
1, the utility model network-type timing temperature controller has been realized the air-conditioning Fare determined by travel time that produces effect, not having not produce under the result of use state user's meterage uses, install, easy to use, accurate measurement, continuous data information holding time be long, realize the charging that produces effect of central air conditioner with lower cost, adapted to current energy-efficient society development main flow trend.Contain CPU module, communication module, clock module, temperature acquisition and remote control module, control module, on-the-spot display module and power module etc., temperature controller of each blower fan configuration, under " producing effect " charging prerequisite, carry out the gear metering of working time, have functions such as data acquisition, transmission and power down storage; Can reach metrical information and forever preserve, the on-the-spot demonstration, can be uploaded to centralized management system.
2, this utility model contains more multichannel control output interface, temperature control problem in the time of can solving no motorized valve in conjunction with software: in conjunction with temperature collect module collecting temperature information, change air quantity in the unit interval by conversion blower fan gear and switch, just the exchange capacity by changing energy is to reach the temperature control purpose.
3, this utility model has temperature limit set-up function, have under the situation of network support, has centralized control functions, promptly can specify one or several temperature controllers to move all long-range or respectively by the mode of appointment, running statuses such as the ON/OFF of appointment fan coil, refrigeration/heating pattern, blower fan gear, setting indoor temperature, especially be fit to the use control of the central air conditioner of public place, indivedual special users' control.This operation can network settings, also can the field by using password setting.The wasting phenomenon that exists in the use at the public place central air conditioner, can limit the refrigeration lower limit or the heating upper limit indoor temperature of temperature controller, for example can set refrigeration temperature limit 26 degree, promptly user's design temperature can not be lower than 26 degree, is the technical solution of 26 degree air-conditionings.
4, the utility model network-type timing temperature controller is reasonable in design, and is simple in structure, complete function, and cost is low.User-friendly, state intuitive display, use, easy to maintenance.Communication module provides more kinds of selections, the application interface of convenient different occasions.The building anti-freezing defencive function, according to the logical relation system between the temperature value of the temperature of setting and actual measurement, automatic force start or withdraw from the building anti-freezing operational mode.
(4), description of drawings
Fig. 1: network-type timing temperature controller core CPU module
Fig. 2: network-type timing temperature controller clock module
Fig. 3: temperature and remote control module
Fig. 4: the network-type timing temperature controller shows and output interface module
Fig. 5: network-type timing temperature controller DLL (dynamic link library) and keystroke interface module
Fig. 6: network-type timing temperature controller control module
Fig. 7: communication of network-type timing temperature controller and input and output interfaces module
Fig. 8: network-type timing temperature controller power supply AC220V-DC12V module
Fig. 9: network-type timing temperature controller power module
Figure 10: module one (RS485 bus) is replaced in the communication of network-type timing temperature controller
Figure 11: network-type timing temperature controller antifreeze function work-based logic figure
Figure 12: network-type timing temperature controller high-level schematic functional block diagram
(5), embodiment
Embodiment one: referring to Fig. 1～Fig. 9, Figure 11, Figure 12.The utility model network-type timing temperature controller theory structure block diagram is seen Figure 12, comprises core CPU module, peripheral circuit and control output module.System power supply is made of AC220V-DC12V module (see figure 8) and power module (see figure 9).The network-type timing temperature controller can be realized the on-the-spot demonstration of metrical information by its on-the-spot display module (see figure 4).
Fig. 1 is a network-type timing temperature controller core CPU modular circuit schematic diagram, and wherein U1 is CPU.The central processing unit of system core CPU module adopts ATMEGA169, or other has the chip that comprises said function, as other compatible single-chip microcomputer of atmel corp, the single-chip microcomputer of compatibility function in the PIC series of little core company, single-chip microcomputer of compatibility function etc. in the MSP series of Texas Instrument.Three port T_CLK, the T_DATA of CPU, T_RST are connected with corresponding interface T_CLK, T_DATA, the T_RST of clock module respectively; The reset terminal RST of CPU and MISO, MOSI_KEY5, P_SCK are connected with RST, MISO, MOSI_KEY5, the P_SCK of DLL (dynamic link library) J4; The port DQ of CPU is connected with the corresponding interface DQ of J5, is the temperature acquisition interface; The port RED_D of CPU is connected with the corresponding interface RED_D of J6, is the remote control input interface; Port KEY1～KEY4, the MOSI_KEY5 of CPU is connected with corresponding interface KEY1～KEY4, the MOSI_KEY5 of J3, is the button input interface; Port CONT_H, the CONT_M of CPU, CONT_L, CONT_F, CONT_F2 are connected with corresponding interface CONT_H, CONT_M, CONT_L, CONT_F, the CONT_F2 of control module respectively, thereby control 5 tunnel output HIGH, MID, LOW, F_ONE, F_TWO; The RXD of CPU, TXD are connected with corresponding interface RXD, the TXD of communication module respectively; D_COM0～D_COM3 of CPU, D_SEG0～D_SEG24 are connected with corresponding interface D_COM0～D_COM3, the D_SEG0～D_SEG24 of display module respectively.
Figure 2 shows that clock module, U2 is a clock chip, adopts HT1381, or DS1302 etc. has the clock chip of similar functions.For system provides calendar and clock in conjunction with display module for the user, for functions such as timed power on/off provide the time source.
Fig. 3 is temperature and remote control module, adopts the built-in ADC realization temperature acquisition of thermistor in conjunction with CPU.Integrated reception head is adopted in remote control, realization distant control function that can be convenient and reliable.The timing signal that produces effect of network-type timing temperature controller Fare determined by travel time function can be obtained by the host computer instruction, or acquiescence effectively.
Fig. 5 is DLL (dynamic link library) and key-press module, for system's single-chip microcomputer provides DLL (dynamic link library); Button adopts the touch-screen button, has the outward appearance novelty, uses and characteristics easy for installation.
Fig. 6 is the control output module, port CONT_H, the CONT_M of CPU, CONT_L, CONT_F, CONT_F2 are connected with corresponding interface CONT_H, CONT_M, CONT_L, CONT_F, the CONT_F2 of control module respectively, thereby control 5 tunnel output HIGH, MID, LOW, F_ONE, F_TWO.In the present embodiment, the CPU module can comprise the high, medium and low shelves and the valve control of blower fan according to logic realization control output.Described network-type timing temperature controller is realized the building anti-freezing function by this module.
Fig. 7 is a communication module, and what present embodiment adopted is the BUS bus, can realize network savvy by this module.U21 is BUS bus chip CMT001, or adopts TSS721; OP21, OP22 are high speed photo coupling 6N137, or other high speed photo coupling; B22 is an electric bridge.The RXD of CPU, TXD are connected with corresponding interface RXD, the TXD of communication module respectively, and the OP21 among the figure, OP22 realize the electrical isolation of communication network and temperature controller.Signal RXD2, TXD2 after the isolation is connected with RXD2, the TXD2 of BUS bus chip CMT001, realizes being connected with outside non-polar BUS bus by CMT001 and electric bridge B22.Implement simply, communication node is many, communication robust.
Fig. 8 and Fig. 9 construction system power supply, U22 is the AC220V-DC12V transformer, and B21 is a rectifier bridge, and U3 is a three terminal regulator, for entire equipment provides working power.
Figure 11 is a systematic building antifreeze function logical diagram.The temperature value T0 that collects according to temperature collect module and the temperature of setting relatively T1, T2, T3 determine, wherein T1＜T2＜T3; Building anti-freezing function steering logic is: the motorized valve of opening during T0＜T2 enters the antifreeze state of one-level; Blower motor enters the antifreeze state of secondary during T0＜T1, withdraws from antifreeze state during T0＞T3.
After the utility model network-type timing temperature controller was devoted oneself to work, CPU was according to user's operation information, in conjunction with the signal that whether produces effect, by presetting the control of logic realization blower fan valve, building anti-freezing defencive function, gear metering working time.Temperature controller transmits field data by communication module to host computer.Temperature controller can be checked for the user, and regularly be carried out data backup memory in time with the on-the-spot display module of the various direct information of current blower fan, effectively guarantees safety of data.Present embodiment communication BUS bus, the signal that produces effect is obtained by the host computer instruction, to realize producing effect metering and billing.Temperature is limit set-up function, promptly sets the upper limit value and lower limit value of the temperature-control range of temperature controller, can set refrigeration lower limit and heating upper limit indoor temperature in administrative center by network instruction; Also can the field by using password setting refrigeration lower limit and heating upper limit indoor temperature, play the pressure energy-conserving action.Also have centralized control functions, promptly can specify one or several temperature controllers to move all long-range or respectively by the mode of appointment, specify fan coil ON/OFF, refrigeration/heating pattern, blower fan gear, set running status such as indoor temperature.Be fit to the use control of the central air conditioner of public place, indivedual special users' control.
In the present embodiment, control output is 5 the tunnel, comprising the high HIGH of blower fan, middle MID, low LOW shelves control; Two-way valve control F_ONE, F_TWO can connect the three-wire system valve, or F_ONE control two-wire system valve, and F_TWO controls other output, and for example electricity is assisted thermic devices etc.
Embodiment two: physical circuit is referring to Fig. 1～Fig. 9, Figure 11, Figure 12.The output F_ONE, the F_TWO that control output module (Fig. 6) in the present embodiment do not want, and this part circuit omits, and components and parts Q24, Q25, K24, K25, D26, D27, C33, C34 needn't weld.The CPU module can include only the low-medium-high level of blower fan according to logic realization control output.The difference of itself and embodiment one is: as long as three tunnel control outputs, be the high HIGH of blower fan, middle MID, low LOW shelves control, its each module annexation is basic identical, is used for the blower fan situation of valveless, reaches the temperature control purpose by control fan operation situation during use.
Embodiment three: physical circuit is referring to Fig. 1～Fig. 9, Figure 11, Figure 12.Communication module (Fig. 7) only keeps J21, J22, RV21, T21 part in the present embodiment, and the other parts circuit omits.Basic function is identical with embodiment one, and difference is: the network communication portion cancellation of this equipment, therefore omit with network instruction part correlation function, and the signal that wherein produces effect adopts acquiescence effectively; The temperature limit is set by on-the-spot password setting.
Other function such as antifreeze function are identical with embodiment one with function as temperature controller.
Embodiment four: present embodiment network-type timing temperature controller physical circuit is referring to Fig. 1～Fig. 6, Fig. 8～Figure 12.The difference of present embodiment and embodiment one is: communication module shown in Figure 7 replaces with RS485 bus shown in Figure 10, be that network communication adopts the RS485 bus to replace the BUS bus of embodiment one, functions of the equipments are identical with embodiment one, and the signal that wherein produces effect is obtained by the host computer instruction; The temperature limit is set by network instruction or on-the-spot password setting.Adopt the RS485 bus communication to realize network savvy.
Communication chip U41 adopts SP3072 among the figure, or adopts compatible RS485 communication chip such as SP3078, MAX3485E, MAX3488E or the like; U42 is an optocoupler 521.The RXD of CPU, TXD are connected with corresponding interface RXD, the TXD of U41 respectively; Port ONT_NC1, the CONT_NC2 of CPU is connected with corresponding interface ONT_NC1, the CONT_NC2 of the input end of optocoupler U42, and the output port COM_UP of U42 and the corresponding interface COM_UP of U41 are used for the transmitting-receiving of control bus; Communication is output as COMA, COMB.
Claims (4)
1, a kind of network-type timing temperature controller, comprise core CPU module, peripheral circuit and functional control module, peripheral circuit comprises DLL (dynamic link library), temperature collect module, remote control module, on-the-spot display module, communication module, and the reset terminal RST of CPU and MISO, MOSI_KEY5, P_SCK connect RST, MISO, MOSI_KEY5, the P_SCK of DLL (dynamic link library) (J4); CPU is provided with corresponding I/O port corresponding interface temperature collect module and remote control module respectively, and CPU is provided with corresponding I/O port KEY1～KEY4, MOSI_KEY5 and connects button input interface (J3); The RXD of CPU, TXD are connected with corresponding interface RXD, the TXD of communication module respectively; D_COM0～D_COM3 of CPU, D_SEG0～D_SEG24 are connected with corresponding interface D_COM0～D_COM3, the D_SEG0～D_SEG24 of display module respectively, it is characterized in that: described functional control module comprises the control of fan coil gear, valve control, CPU is provided with corresponding I/O port, and CONT_H, CONT_M, CONT_L, CONT_F, the CONT_F2 of link control module respectively control input interface, the auxilliary hot controlled device of control module output interface HIGH, MID, LOW, F_ONE, the high, medium and low retaining of F_TWO control linkage fan coil and user's by-pass valve control or electricity respectively.
2, network-type timing temperature controller according to claim 1 is characterized in that: communication module adopts any one in BUS bus, RS485 bus, LONWORK bus or the CAN bus.
3, network-type timing temperature controller according to claim 1 is characterized in that: the integrated one-piece construction of core CPU module and peripheral circuit and control module or for split combination structure.
4, according to claim 1 or 2 or 3 described network-type timing temperature controllers, it is characterized in that: peripheral circuit contains clock module, the clock chip of clock module adopts HT1381 or DS1302, corresponding respectively port T_CLK, T_DATA, the T_RST that connects CPU in the core CPU module of the clock interface T_CLK of clock chip, data-interface T_DATA, reseting interface T_RST, described temperature controller is realized displaying calendar and clock by clock module and on-the-spot display module, and originates for user's timed power on/off function provides the time.
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| CNU2007200915792U2007200915792U CN201097235Y (en) | 2007-08-22 | 2007-08-22 | Network type timing temperature controller |
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| CNU2007200915792U2007200915792U CN201097235Y (en) | 2007-08-22 | 2007-08-22 | Network type timing temperature controller |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916463A (en) * | 2010-07-28 | 2010-12-15 | 北京海林节能设备股份有限公司 | Timing device and charging system for heating and ventilating air conditioner |
| CN102650462A (en) * | 2012-06-05 | 2012-08-29 | 杭州源牌环境科技有限公司 | Wireless time sampling instrument for temperature controller of fan coil |
| CN106524438A (en) * | 2016-12-27 | 2017-03-22 | 复旦大学 | Intelligent control method and device based on energy saving of central air-conditioning terminal |
| CN107166689A (en) * | 2017-04-27 | 2017-09-15 | 广州晟能电子科技有限公司 | A kind of wind blower coil tube temperature controller of time equivalent type energy meter |
-
2007
- 2007-08-22 CN CNU2007200915792U2007200915792U patent/CN201097235Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916463A (en) * | 2010-07-28 | 2010-12-15 | 北京海林节能设备股份有限公司 | Timing device and charging system for heating and ventilating air conditioner |
| CN101916463B (en) * | 2010-07-28 | 2012-06-27 | 北京海林节能设备股份有限公司 | Timing device and charging system for heating and ventilating air conditioner |
| CN102650462A (en) * | 2012-06-05 | 2012-08-29 | 杭州源牌环境科技有限公司 | Wireless time sampling instrument for temperature controller of fan coil |
| CN106524438A (en) * | 2016-12-27 | 2017-03-22 | 复旦大学 | Intelligent control method and device based on energy saving of central air-conditioning terminal |
| CN106524438B (en) * | 2016-12-27 | 2019-10-15 | 复旦大学 | One kind being based on the energy-efficient intelligent control method of central air-conditioning terminal |
| CN107166689A (en) * | 2017-04-27 | 2017-09-15 | 广州晟能电子科技有限公司 | A kind of wind blower coil tube temperature controller of time equivalent type energy meter |
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Owner name: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Free format text: FORMER NAME: CHUNQUAN NUANTONG ENERGY SAVING EQUIPMENT CO., LTD., ZHENGZHOU |
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| CP03 | Change of name, title or address |
Address after: 450001 Henan Province, Zhengzhou high tech Development Zone Chuk Street No. 6 Building 1 1 unit 8 floor No. 13 Patentee after: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Address before: The road high tech Zone screen 450001 Henan province Zhengzhou City No. 20 Patentee before: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. |
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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: 20080806 Termination date: 20160822 |