CN201613865U

CN201613865U - Electric vehicle air conditioner and warm air control circuit

Info

Publication number: CN201613865U
Application number: CN200920295223XU
Authority: CN
Inventors: 毛黎明
Original assignee: NEBEIER AUTOMOBILE (HANGZHOU) CO Ltd
Current assignee: NEBEIER AUTOMOBILE (HANGZHOU) CO Ltd
Priority date: 2009-12-28
Filing date: 2009-12-28
Publication date: 2010-10-27
Anticipated expiration: 2019-12-28

Abstract

The utility model relates to an electric vehicle air conditioner and warm air control circuit which comprises an optocoupler, an amplifier chip and relays J4 and J5 with two lines of output, wherein an electric vehicle air conditioner control signal is connected with the first-line normally closed end of the relay J4 via the optocoupler and the amplifier chip, the second-line normally open end of the relay J4 is connected with an electric vehicle warm air contactor, the second-line public end of the relay J4 is connected with the first-line public end of the relay J5, the second-line normally closed end of the relay 5 is connected with an electric vehicle warm air control signal, the first-line normally open end of the relay 5 is connected with an electric vehicle air conditioner contactor, the first-line public end of the J4 is connected with the driving end of the J5, the driving end of the J4 is connected with the second-line public end of the J5, and the other driving end of the J4 and the other driving end of the J5 are respectively grounded. The electric vehicle air conditioner and warm air control circuit can realize the interlocking of the air conditioner and the warm air control signals, avoid the phenomenon of simultaneously starting an air conditioner and warm air even in misoperation, save energy, and lead passengers to feel comfortable.

Description

Electronlmobil air-conditioning and warm braw control circuit

Technical field

The utility model belongs to electronlmobil and makes the field, relates in particular to a kind of electronlmobil air-conditioning and warm braw control circuit.

Background technology

Exportable cold wind of motorcar air conditioner and hot blast, the exportable hot blast of automobile warm-air controller, their mode of operation is provided with by manual operation, and the action button of general automobile hollow mediation warm braw is set together, be easy to cause maloperation when in running car, operating, air-conditioning and warm braw control button can take place to press simultaneously and start the phenomenon of air-conditioning and warm braw equipment simultaneously, this not only causes the waste of the energy, also brings human discomfort to the passenger.

Summary of the invention

The action button that the utility model mainly solves original automobile hollow mediation warm braw is set together, be easy to cause maloperation when in running car, operating, air-conditioning and warm braw control button can take place to press simultaneously and start the phenomenon of air-conditioning and warm braw equipment simultaneously, cause energy dissipation, also bring the technical matters of human discomfort to the passenger; Provide a kind of and guarantee that air conditioning for automobiles and warm braw equipment can not start simultaneously, both energy savings also made the passenger feel comfortable electronlmobil air-conditioning and warm braw control circuit.

The utility model solve simultaneously ac control circuit in original automobile can only with a kind of air-conditioner controller coupling of model, commonality is not enough, the cost of manufacture technical problems of high; Providing a kind of can mate with two kinds of air-conditioner controllers, improves commonality, reduces the electronlmobil air-conditioning and the warm braw control circuit of cost of manufacture.

Electronlmobil air-conditioning of the present utility model and warm braw control circuit also can make the interior space of automobile maintain a suitable temperature by the start and stop of the temperature control air-conditioning compressor of setting, and guarantee that the occupant feels more comfortable.

Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises optocoupler, amplify chip U1 and have two-way output, every road all has the relay J 4 of normally closed contact and open contact, J5, the input termination electronlmobil air-conditioning control signal of described optocoupler, the input end of the described amplification chip of the output termination U1 of optocoupler, the mouth that amplifies chip U1 links to each other with the first via normal-closed end of relay J 4, the second tunnel normal beginning of relay J 4 connects electronlmobil warm braw contactless switch, No. the second common port of relay J 4 links to each other with the first via common port of relay J 5, the second tunnel normally closed termination electronlmobil warm braw control signal of relay J 5, the first via Chang Kaiduan of relay J 5 connects electronlmobil air-conditioning contactless switch, the drive end of the first via common port of J4 and J5 links to each other, the drive end of J4 links to each other with No. the second common port of J5, and another drive end of J4 and another drive end of J5 also connect back ground connection.Realize the interlocking of air-conditioning control signal and warm braw control signal by relay J 4, J5, make air-conditioning and warm braw equipment can only start one,, the phenomenon of air-conditioning and warm braw equipment also can not occur starting simultaneously even maloperation is arranged, both energy savings also made the passenger feel comfortable.

As preferably, be connected with diode D5, D6 respectively between two drive ends of described relay J 4 and between two drive ends of relay J 5, anodal all ground connection of diode D5 and D6.Diode D5, D6 play the effect of the coil counter potential of eliminating relay J 4, J5 respectively, guarantee often the opening of relay, normally closed contact along with correct signal adhesive or separation, and more stable work avoids producing misoperation.

As preferably, described optocoupler comprises opto-coupler chip U2 and U3, the input termination electronlmobil air-conditioning control signal AC_1 of U2, the mouth of U2 links to each other with 3 pin of described amplification chip U1, the input termination electronlmobil air-conditioning control signal AC_2 of U3, the mouth of U3 links to each other with 4 pin of described amplification chip U1, and 13 pin of U1 link to each other with 3,1 pin of tripod redirect part J1 respectively with 14 pin, and 2 pin of J1 connect the first via normal-closed end of described relay J 4.Air-conditioning control signal AC_1, AC_2 adopt the light-coupled isolation input, jump choosing by J1, make the utility model can with the supporting use of two air-conditioner controller, improve commonality, reduce cost of manufacture.

As preferably, relay J 2, J3 that electronlmobil air-conditioning and warm braw control circuit also comprise voltage comparator U4A, U4B and have one road normally closed contact and open contact; The inverting input of U4A links to each other with electronlmobil temperature sensor output signal PTC, be connected with the circuit parallel of resistance R 5 and capacitor C 2 between this inverting input and the ground, the in-phase input end of U4A divides three the tunnel, one the tunnel through capacitor C 1 ground connection, one the tunnel through resistance R 1 ground connection, also have one the tunnel to meet voltage 12V through resistance R 2, the mouth of U4A meets voltage 12V through resistance R 6, also link to each other with 2 pin that the amplify chip U1 inverting input of U4B of the mouth of U4A links to each other with electronlmobil temperature sensor output signal PTC, the in-phase input end of U4B divides three the tunnel, one the tunnel through capacitor C 3 ground connection, one the tunnel through resistance R 7 ground connection, also have one the tunnel to meet voltage 12V through resistance R 8, the mouth of U4B meets voltage 12V through resistance R 9, and the mouth of U4B also links to each other with 1 pin that amplifies chip U1; One of relay J 2, J3 drives termination voltage 12, another drive end of J2 and the common port of J3 also connect and link to each other with 16 pin that amplify chip U1, another drive end of J3 links to each other with 15 pin that amplify chip U1, the Chang Kaiduan of J2 and the Chang Kaiduan of J3 also connect, the normally closed termination electronlmobil air-conditioning compressor of J2.The resistance signal of the temperature sensor on the A/C evaporator changes into voltage signal by voltage comparator U4A, U4B, with the reference voltage of calibrated suitable temperature relatively after, the signal of output is after amplifying chip U1 amplification, drive relay J 2, J3 action, the start and stop of control air-conditioning compressor, the space maintains suitable temperature in the electronlmobil thereby make.

As preferably, described relay J 2 and J3 are relay HG4281, and described voltage comparator is the LM339 chip.

As preferably, described amplification chip U1 is for amplifying chip ULN2003, and described relay J 4 and J5 are relay G5V-2.

The beneficial effects of the utility model are: by the ingenious connection of circuit, make air-conditioning and warm braw equipment can only start one, even maloperation is arranged, the phenomenon of air-conditioning and warm braw equipment also can not occur starting simultaneously, both energy savings also made the passenger feel comfortable.And the utility model can mate raising commonality, reduction cost of manufacture with two kinds of air-conditioner controllers.Also can control the start and stop of air-conditioning compressor by preset temperature, make the interior space of automobile maintain a suitable temperature, guarantee that the occupant feels more comfortable.

Description of drawings

Fig. 1 is a kind of schematic circuit diagram of the present utility model.

The specific embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment 1: the electronlmobil air-conditioning of present embodiment and warm braw control circuit, as shown in Figure 1, comprise opto-coupler chip U2, U3, amplification chip U1 and have relay J 4, the J5 that two-way is exported, every road all has normally closed contact and open contact, the relay J 2, the J3 that also comprise voltage comparator U4A, U4B and have one road normally closed contact and open contact.The amplification chip U1 of present embodiment is for amplifying chip ULN2003, and relay J 4 and J5 are relay G5V-2, and relay J 2 and J3 are relay HG4281, and voltage comparator is the LM339 chip.1 pin of relay G5V-2,16 pin are drive end, and 4 pin, 13 pin are common port, and 6 pin, 11 pin are normal-closed end, and 8 pin, 9 pin are Chang Kaiduan.4,5 pin of relay HG4281 are drive end, and 2 pin are common port, and 1 pin is a normal-closed end, and 3 pin are Chang Kaiduan.

The input termination electronlmobil air-conditioning control signal AC_1 of opto-coupler chip U2, the mouth of U2 links to each other with 3 pin that amplify chip U1, the input termination electronlmobil air-conditioning control signal AC_2 of U3, the mouth of U3 links to each other with 4 pin that amplify chip U1,13 pin of U1 and 14 pin respectively with 3 of tripod redirect part J1,1 pin links to each other, 2 pin of J1 are succeeded 11 pin (be amplification after electronlmobil air-conditioning control signal AC_SW) of electrical equipment J4,8 pin of relay J 4 connect electronlmobil warm braw contactless switch, 4 pin of relay J 4 link to each other with 13 pin of

relay J

5,6 pin of relay J 5 meet electronlmobil warm braw control signal HT_SW, 9 pin of relay J 5 connect electronlmobil air-conditioning contactless switch, 13 pin of J4 and 1 pin of J5 link to each other, 16 pin of J4 link to each other with 4 pin of J5, and 1 pin of J4 and 16 pin of J5 also connect back ground connection.Be connected with diode D5 between 1 pin of

relay J

4 and 16 pin, and the positive pole of D5 connects 1 pin of J4, the negative pole of D5 connects 16 pin of J4, is connected with diode D6 between 1 pin of

relay J

5 and 16 pin, and the positive pole of D6 connects 16 pin of J5, the negative pole of D6 connects 1 pin of J5.

The inverting input of voltage comparator U4A (i.e. 4 pin) links to each other with electronlmobil temperature sensor output signal PTC, be connected with the circuit parallel of resistance R 5 and capacitor C 2 between this inverting input and the ground, the in-phase input end of U4A (i.e. 5 pin) Fen Sanlu, one the tunnel through capacitor C 1 ground connection, one the tunnel through resistance R 1 ground connection, also have one the tunnel to meet voltage 12V through resistance R 2, the mouth of U4A (i.e. 2 pin) meets voltage 12V through resistance R 6, and the mouth of U4A also links to each other with 2 pin of amplification chip U1.The inverting input of U4B (i.e. 6 pin) links to each other with electronlmobil temperature sensor output signal PTC, the in-phase input end of U4B (i.e. 7 pin) Fen Sanlu, one the tunnel through capacitor C 3 ground connection, one the tunnel through resistance R 7 ground connection, also have one the tunnel to meet voltage 12V through resistance R 8, the mouth of U4B (i.e. 1 pin) meets voltage 12V through resistance R 9, and the mouth of U4B also links to each other with 1 pin that amplifies chip U1.4 pin of relay J 2

meet voltage

12V, 4 pin of relay J 3 connect

voltage

12, and 5 pin of J2 link to each other with 2 pin of J3 and link to each other with 16 pin that amplify chip U1, and 5 pin of J3 link to each other with 15 pin that amplify chip U1,3 pin of J2 and 3 pin of J3 also connect, and 1 pin of J2 connects the electronlmobil air-conditioning compressor.

The utility model can with many safe 2008, the supporting use of many safe 5,008 two electronlmobil air-conditioner controllers.Air-conditioning control signal AC_1, AC_2 adopt the light-coupled isolation input, jump choosing by J1, amplify by chip ULN2003 again, drive relay J 4, J5 at last, and the DC contactor of control air-conditioning, warm braw is finished high pressure control.

It is effective that electronlmobil warm braw control signal HT_SW and electronlmobil air-conditioning control signal AC_SW are high level.As shown in Figure 1, when electronlmobil warm braw control signal HT_SW is high level, because 6 pin of J5 are normal-closed end, then 4 pin of J5 and 6 pin adhesives, 4 pin of J5 link to each other with 16 pin of J4 again, so 16 pin of J4 are high level, then J4 is driven, and 13 pin of J4 separate with 11 pin, 4 pin of J4 and 8 pin adhesives, then the warm braw contactless switch is connected and is started, and electronlmobil air-conditioning control signal AC_SW is inoperative.When electronlmobil air-conditioning control signal AC_SW is high level, because 11 pin of J4 are normal-closed end, then 11 pin of J4 and 13 pin adhesives, 13 pin of J4 link to each other with 1 pin of J5 again, so 1 pin of J5 is a high level, then J5 is driven, 13 pin of J5 and 9 pin adhesives, 4 pin of J5 separate with 6 pin, and then the air-conditioning contactless switch is connected and started, and electronlmobil warm braw control signal HT_SW is inoperative.Interlocking by relay J 4, J5 realization air-conditioning and warm braw makes air-conditioning and warm braw equipment can only start one, even maloperation is arranged, the phenomenon of air-conditioning and warm braw equipment also can not occur starting simultaneously, and both energy savings also made the passenger feel comfortable.

On the other hand, the resistance signal of the temperature sensor on the A/C evaporator changes into voltage signal by voltage comparator LM339, with the reference voltage of calibrated suitable temperature relatively after, the signal of output is after amplifying chip ULN2003 amplification, drive relay J 2, J3 action, the start and stop of control air-conditioning compressor, the space maintains suitable temperature in the electronlmobil thereby make.

Claims

1. electronlmobil air-conditioning and warm braw control circuit, it is characterized in that comprising optocoupler, amplify chip U1 and have two-way output, every road all has the relay J 4 of normally closed contact and open contact, relay J 5, the input termination electronlmobil air-conditioning control signal of described optocoupler, the input end of the described amplification chip of the output termination U1 of optocoupler, the mouth that amplifies chip U1 links to each other with the first via normal-closed end of relay J 4, the second tunnel normal beginning of relay J 4 connects electronlmobil warm braw contactless switch, No. the second common port of relay J 4 links to each other with the first via common port of relay J 5, the second tunnel normally closed termination electronlmobil warm braw control signal of relay J 5, the first via Chang Kaiduan of relay J 5 connects electronlmobil air-conditioning contactless switch, a drive end of the first via common port of relay J 4 and relay J 5 links to each other, a drive end of relay J 4 links to each other with No. the second common port of relay J 5, and another drive end of relay J 4 and another drive end of relay J 5 also connect back ground connection.

2. electronlmobil air-conditioning according to claim 1 and warm braw control circuit, it is characterized in that being connected with diode D5, diode D6 respectively between two drive ends of described relay J 4 and between two drive ends of relay J 5 anodal all ground connection of diode D5 and diode D6.

3. electronlmobil air-conditioning according to claim 1 and 2 and warm braw control circuit, it is characterized in that described optocoupler comprises opto-coupler chip U2 and opto-coupler chip U3, the input termination electronlmobil air-conditioning control signal AC_1 of opto-coupler chip U2, the mouth of opto-coupler chip U2 links to each other with 3 pin of described amplification chip U1, the input termination electronlmobil air-conditioning control signal AC_2 of opto-coupler chip U3, the mouth of opto-coupler chip U3 links to each other with 4 pin of described amplification chip U1, amplify 13 pin of chip U1 and 14 pin respectively with 3 of tripod redirect part J1,1 pin links to each other, and 2 pin of tripod redirect part J1 connect the first via normal-closed end of described relay J 4.

4. electronlmobil air-conditioning according to claim 1 and 2 and warm braw control circuit is characterized in that the relay J 2, the relay J 3 that also comprise voltage comparator U4A, U4B and have one road normally closed contact and open contact; The inverting input of voltage comparator U4A links to each other with electronlmobil temperature sensor output signal PTC, be connected with the circuit parallel of resistance R 5 and capacitor C 2 between this inverting input and the ground, the in-phase input end of voltage comparator U4A divides three the tunnel, one the tunnel through capacitor C 1 ground connection, one the tunnel through resistance R 1 ground connection, also have one the tunnel to meet voltage 12V through resistance R 2, the mouth of voltage comparator U4A meets voltage 12V through resistance R 6, and the mouth of voltage comparator U4A also links to each other with 2 pin that amplify chip U1; The inverting input of voltage comparator U4B links to each other with electronlmobil temperature sensor output signal PTC, the in-phase input end of voltage comparator U4B divides three the tunnel, one the tunnel through capacitor C 3 ground connection, one the tunnel through resistance R 7 ground connection, also have one the tunnel to meet voltage 12V through resistance R 8, the mouth of voltage comparator U4B meets voltage 12V through resistance R 9, and the mouth of voltage comparator U4B also links to each other with 1 pin that amplifies chip U1; One of relay J 2, relay J 3 drives termination voltage 12V, another drive end of relay J 2 and the common port of relay J 3 also connect and link to each other with 16 pin that amplify chip U1, another drive end of relay J 3 links to each other with 15 pin that amplify chip U1, the Chang Kaiduan of the Chang Kaiduan of relay J 2 and relay J 3 also connects, the normally closed termination electronlmobil air-conditioning compressor of relay J 2.

5. electronlmobil air-conditioning according to claim 4 and warm braw control circuit is characterized in that described relay J 2 and relay J 3 are relay HG4281, and described voltage comparator is the LM339 chip.

6. electronlmobil air-conditioning according to claim 1 and 2 and warm braw control circuit is characterized in that described amplification chip U1 for amplifying chip ULN2003, and described relay J 4 and relay J 5 are relay G5V-2.