Solid state control box test circuit and test device

Abstract

The invention discloses a solid-state control box test circuit and a test device. The solid-state control box test circuit comprises an alternating current power supply AC; the alternating current power supply AC is connected with the circuit breaker K7; the direct-current power supply DC is respectively connected with the solid-state control box and the button switches K1-K6; the circuit breaker K7 is connected with the solid-state control box; the button switches K1-K6 are connected with the solid-state control box; the relay KM1 is connected with the solid-state control box and the indicating lamp H1 respectively; the relay KM2 is respectively connected with the solid-state control box and the indicating lamp H2; the relay KM3 is respectively connected with the solid-state control box and the indicating lamp H3; the indicating lamps H1-H3 are respectively connected with the solid state control box; and the electromagnetic valve DCF is connected with the solid state control box. The device is scientific in design, can efficiently and reliably test the functions of the solid-state control box, guarantees the test efficiency, and improves the overall production efficiency of the solid-state control box.

Description

Technical Field

[0001] The present invention relates to the technical field of solid-state control box testing, and in particular to a solid-state control box testing circuit and a testing device. Background Art

[0002] In recent years, railway electronic products have developed vigorously, and the application of solid-state control box products in hump fields has increased year by year. Solid-state control boxes are used to control outdoor reducers or parking relays and solenoid valves of hump automatic control systems.

[0003] In order to ensure the factory quality of the solid-state control box, it is necessary to test it before leaving the factory. Specifically, it is necessary to test whether the control box has the function of controlling the closing of the relay and the driving of the solenoid valve, and whether it can correctly control the driving of the relay and the solenoid valve, so as to ensure the factory quality of the solid-state control box.

[0004] As the production of solid-state control boxes continues to increase, the original testing method is inefficient and cannot meet the growing demand for the number of solid-state control boxes, which has affected the overall production progress of solid-state control boxes.

[0005] Therefore, there is an urgent need to develop a technology that can solve the above technical problems. Summary of the invention

[0006] The purpose of the present invention is to provide a solid-state control box test circuit and a test device in view of the technical defects in the prior art.

[0007] To this end, the present invention provides a solid-state control box test circuit, which includes an alternating current power supply AC, a direct current power supply DC, push button switches K1-K6, a circuit breaker K7, relays KM1-KM3, indicator lights H1-H3 and a solenoid valve DCF;

[0008] An alternating current power source AC, connected to the circuit breaker K7, is used to provide an alternating current voltage to the solid-state control box;

[0009] A direct current power source DC is connected to the solid-state control box and one end of the button switches K1 to K6, respectively, to provide a direct current voltage to the solid-state control box;

[0010] A circuit breaker K7 is connected to the solid-state control box and is used to control the electrical connection between the solid-state control box and the alternating current power source AC;

[0011] The other end of the button switches K1 to K6 is connected to the solid-state control box and is used to control the electrical connection between the solid-state control box and the DC power supply DC;

[0012] Relay KM1 is connected to one end of the solid-state control box and indicator light H1 respectively;

[0013] Relay KM2 is connected to one end of the solid-state control box and indicator light H2 respectively;

[0014] Relay KM3 is connected to one end of the solid-state control box and indicator light H3 respectively;

[0015] The other ends of the indicator lights H1 to H3 are connected to the solid-state control boxes respectively;

[0016] Solenoid valve DCF, connected to solid-state control box.

[0017] In addition, the present invention also provides a solid-state control box testing device, including the solid-state control box testing circuit as described above.

[0018] It can be seen from the technical solution provided by the present invention that, compared with the prior art, the present invention provides a solid-state control box test circuit and a test device, which are scientifically designed and can efficiently and reliably test the functions of the solid-state control box (specifically, it is necessary to test whether the control box has the function of controlling the closure of the relay and the driving of the solenoid valve), ensure the test efficiency, and improve the overall production efficiency of the solid-state control box, which has great practical significance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of a solid-state control box test circuit provided by the present invention;

[0020] Figure 2 A solid-state control box test circuit provided by the present invention is an internal wiring schematic diagram of a solid-state relay to be tested. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0023] See also Figure 1, the present invention provides a solid-state control box test circuit and test device, including: an alternating current power supply AC, a direct current power supply DC, push button switches K1-K6, a circuit breaker K7, relays KM1-KM3, indicator lights H1-H3 and a solenoid valve DCF;

[0024] An alternating current power source AC, connected to the circuit breaker K7, for providing an alternating current voltage to the solid-state control box 100;

[0025] A direct current power source DC is connected to the solid-state control box 100 and one end of the button switches K1 to K6, respectively, and is used to provide a direct current voltage to the solid-state control box 100;

[0026] The circuit breaker K7 is connected to the solid-state control box 100 and is used to control the electrical connection between the solid-state control box 100 and the alternating current power source AC;

[0027] The other end of the button switches K1 to K6 is connected to the solid-state control box 100 and is used to control the electrical connection between the solid-state control box 100 and the direct current power supply DC;

[0028] The relay KM1 is connected to one end of the solid-state control box 100 and the indicator light H1 respectively;

[0029] The relay KM2 is connected to one end of the solid-state control box 100 and the indicator light H2 respectively;

[0030] The relay KM3 is connected to one end of the solid-state control box 100 and the indicator light H3 respectively;

[0031] The other ends of the indicator lights H1 to H3 are respectively connected to the solid-state control box 100 to provide the solid-state control box 100 with display functions of the indicator lights H1 to H3 so as to respectively confirm whether the relays KM1 to KM3 are attracted.

[0032] The solenoid valve DCF is connected to the solid-state control box 100 (specifically, pin 21 and pin 61 of the solid-state control box 100 ) to test whether the solid-state control box 100 has the function of controlling the driving of the solenoid valve.

[0033] In the present invention, in a specific implementation, the positive terminal of the direct current power supply DC is connected to the pin 1 of the button switches K1 to K6 respectively;

[0034] The negative terminal of the DC power supply is connected to pin 1 of the solid-state control box;

[0035] In a specific implementation, the DC power supply DC is specifically a DC 24V power supply. It should be noted that the DC 24V power supply includes a positive terminal + and a negative terminal -.

[0036] In the present invention, in a specific implementation, the pins 1 of the button switches K1 to K6 are respectively connected to the positive terminals of the DC power supply DC;

[0037] Pin 2 of the push button switch K1 is connected to pin 72 of the solid-state control box;

[0038] Pin 2 of the push button switch K2 is connected to pin 71 of the solid-state control box;

[0039] Pin 2 of the push button switch K3 is connected to pin 52 of the solid-state control box;

[0040] Pin 2 of the push button switch K4 is connected to pin 51 of the solid-state control box;

[0041] Pin 2 of the push button switch K5 is connected to pin 12 of the solid-state control box;

[0042] Pin 2 of the push button switch K6 is connected to pin 11 of the solid-state control box.

[0043] In specific implementation, the button switches K1 to K6 are electrical components with mature prior art, which are well-known button switches with mature prior art in the railway system, for example, they can be T-21BS model button switches produced by Taiwan Highly Electric Co., Ltd.;

[0044] It should be noted that, in the present invention, the button switches K1 to K6 all include a pin 1 and a pin 2 .

[0045] In the present invention, in a specific implementation, the alternating current power source AC is specifically an alternating current 220V power source.

[0046] In the present invention, in a specific implementation, the live wire terminal L of the AC power source AC is connected to the live wire access terminal 1 (i.e., pin 1) of the circuit breaker K7;

[0047] The neutral terminal N of the AC power source AC is connected to the neutral line access terminal 3 (i.e., pin 3) of the circuit breaker K7;

[0048] The live wire output terminal 2 (i.e., pin 2) of the circuit breaker K7 is connected to pin 4 of the solid-state control box;

[0049] The neutral line terminal 4 (i.e., pin 4) of the circuit breaker K7 is connected to pin 2 of the solid-state control box;

[0050] In specific implementation, the circuit breaker K7 is an electrical component with mature prior art, which is a well-known circuit breaker with mature prior art in the railway system, for example, a 5SY6201-8CC / D6 circuit breaker produced by Siemens Technology Co., Ltd. can be used;

[0051] It should be noted that, in the present invention, the alternating current power source AC includes a live terminal L and a neutral terminal N.

[0052] It should be noted that the circuit breaker K7 includes a live wire input terminal 1 and a neutral wire input terminal 3, as well as a live wire output terminal 2 and a neutral wire output terminal 4. The live wire input terminal 1 and the neutral wire input terminal 3 are respectively arranged corresponding to the live wire output terminal 2 and the neutral wire output terminal 4. In other words, the circuit breaker K7 includes pins 1, 2, 3, and 4.

[0053] In the present invention, in a specific implementation, pin 5 of relay KM1 is connected to pin 4 of solid-state control box 100;

[0054] Pin 9 of relay KM1 is connected to pin 1 of indicator light H1;

[0055] Pin 13 of relay KM1 is connected to pin 22 of solid-state control box 100;

[0056] Pin 14 of relay KM1 is connected to pin 82 of solid-state control box 100 .

[0057] In the present invention, in a specific implementation, pin 5 of relay KM2 is connected to pin 4 of the solid-state control box;

[0058] Pin 9 of relay KM2 is connected to pin 1 of indicator light H2;

[0059] Pin 13 of relay KM2 is connected to pin 22 of solid-state control box 100;

[0060] Pin 14 of relay KM2 is connected to pin 81 of solid-state control box 100 .

[0061] In the present invention, in a specific implementation, pin 5 of relay KM3 is connected to pin 4 of solid-state control box 100;

[0062] Pin 9 of relay KM3 is connected to pin 1 of indicator light H3;

[0063] Pin 13 of relay KM3 is connected to pin 21 of solid-state control box 100 and pin 2 of solenoid valve DCF respectively;

[0064] Pin 14 of relay KM3 is connected to pin 62 of solid-state control box 100 .

[0065] In the present invention, in a specific implementation, the relays KM1 to KM3 are electrical components with mature prior art, which are well-known relays with mature prior art in the railway system, for example, the relay model HH52P produced by Fuji Relay Co., Ltd. can be used;

[0066] It should be noted that, in the present invention, relays KM1 to KM3 all include pins 5 , 9 , 13 , and 14 .

[0067] In the present invention, in a specific implementation, pin 1 of indicator light H1 is connected to pin 9 of relay KM1;

[0068] Pin 2 of the indicator light H1 is connected to pin 2 of the solid-state control box 100;

[0069] Pin 1 of indicator light H2 is connected to pin 9 of relay KM2;

[0070] Pin 2 of indicator light H2 is connected to pin 2 of solid-state control box 100;

[0071] Pin 1 of indicator light H3 is connected to pin 9 of relay KM3;

[0072] Pin 2 of indicator light H3 is connected to pin 2 of solid-state control box 100;

[0073] In specific implementation, the indicator lights H1 to H3 are electrical components with mature prior art, which are well-known indicator lights with mature prior art in the railway system, for example, the indicator lights of model AD11-16 / 21-6GZ / 220V produced by Jiangyin Changjiang Electric Co., Ltd. can be used;

[0074] It should be noted that, in the present invention, the indicator lights H1 to H3 all include pins 1 and 2 .

[0075] In the present invention, in a specific implementation, pin 1 of the solenoid valve DCF is connected to pin 61 of the solid-state control box 100;

[0076] Pin 2 of the solenoid valve DCF is connected to pin 21 of the solid-state control box 100;

[0077] In specific implementation, the solenoid valve DCF is an electrical component with mature prior art. As a well-known solenoid valve with mature prior art in the railway system, for example, a solenoid valve of model K23JD-10T / AC220V produced by Shanghai Shuangxu Electronics Co., Ltd. can be used;

[0078] It should be noted that, in the present invention, the solenoid valve DCF includes pins 1 and 2 .

[0079] In the present invention, in a specific implementation, the solid-state control box 100, as the object to be tested, is a finished electrical module with mature prior art.

[0080] It should be noted that, for the solid control box 100, in addition to Figure 1 Except for the connected pins, the remaining pins are unconnected.

[0081] Based on the solid-state control box test circuit provided by the present invention, the present invention further provides a solid-state control box test device, including the solid-state control box test circuit as described above.

[0082] It should be noted that the solid-state control box is a mature finished product module with popular application in the prior art. In specific implementation, the solid-state control box, for example, can be a solid-state control box of model SSR-K produced by Tianjin Railway Signal Co., Ltd., which can be used to control the outdoor reducer or parking solenoid valve of the hump automatic control system. In the present invention, for the solid-state control box, the functions of the various pins related to the present invention are described as follows:

[0083] Pin 1 is a negative pin of a DC power supply, used to provide negative DC power to the solid-state control box 100;

[0084] Pin 2 is the AC power zero pin, used to provide AC power zero line electricity to the solid-state control box 100;

[0085] Pin 4 is the AC power live pin, used to provide AC power live wire electricity to the solid-state control box 100;

[0086] Pin 11 is used for the 3rd and 4th control, and is used to provide a positive DC power supply to the 3rd and 4th control terminals (i.e., input terminals) on the solid-state control box 100;

[0087] Pin 12 is used for the 1st and 2nd control, and is used to provide a positive DC power supply to the 1st and 2nd control terminals (i.e., input terminals) on the solid-state control box 100;

[0088] Pin 21 is used for the 3rd and 4th outputs, and is used to control whether the 3rd and 4th output terminals on the solid-state control box 100 are connected to the neutral line of the AC power supply;

[0089] Pin 22 is used for the 1st and 2nd outputs, and is used to control whether the 1st and 2nd output terminals on the solid-state control box 100 are connected to the neutral line of the AC power supply;

[0090] Pin 51 is used for the 4th control, and is used to provide a positive DC power supply to the 4th control terminal (i.e., input terminal) on the solid-state control box 100;

[0091] Pin 52 is used for the third control, and is used to provide a positive DC power supply to the third control terminal (i.e., the input terminal) on the solid-state control box 100;

[0092] Pin 61 is used for the 4th output, and is used to control whether the 4th output terminal on the solid-state control box 100 is connected to the live wire of the AC power supply;

[0093] Pin 62 is used for the third output, and is used to control whether the third output terminal on the solid-state control box 100 is connected to the live wire of the AC power supply;

[0094] Pin 71 is used for the second control channel, and is used to provide a positive DC power supply to the second control channel terminal on the solid-state control box 100;

[0095] Pin 72 is used for the first control channel, and is used to provide a positive DC power supply to the first control channel terminal on the solid-state control box 100;

[0096] Pin 81 is used for the second output, and is used to control whether the second output terminal on the solid-state control box 100 is connected to the live wire of the AC power supply;

[0097] Pin 82 is used for the first output and is used to control whether the first output terminal is connected to the live wire of the AC power supply.

[0098] In specific implementation, pin 1 is connected to the negative terminal (i.e., the negative terminal) of the DC power supply DC, and is used to provide negative DC power to the solid-state control box 100;

[0099] Pin 2 is connected to the neutral line terminal of the AC power source AC through the circuit breaker K7, and can control whether to provide the AC power neutral line electricity to the solid-state control box 100 through the circuit breaker K7;

[0100] Pin 4 is connected to the live wire end of the AC power supply through the circuit breaker K7, and can control whether to provide the live wire of the AC power supply to the solid-state control box 100 through the circuit breaker K7;

[0101] Pin 11 is connected to the positive terminal of the DC power supply through the button switch K6. The button switch K6 can be used to control whether to provide the DC power supply positive electricity to the 3rd and 4th control terminals of the solid-state control box;

[0102] Pin 12 is connected to the positive terminal of the DC power supply through the button switch K5. The button switch K5 can be used to control whether to provide the positive DC power supply DC to the first and second control terminals on the solid-state control box 100;

[0103] Pin 21 is connected to pin 2 of the solenoid valve DCF and pin 13 of the relay KM3, and is used to control whether pin 2 of the solenoid valve DCF and pin 13 of the relay KM3 are connected to the neutral line of the AC power supply;

[0104] Pin 22 is connected to pin 13 of relay KM1 and pin 13 of relay KM2, and is used to control whether pin 13 of relay KM1 and pin 13 of relay KM2 are connected to the neutral line of AC power supply;

[0105] Pin 51 is connected to the positive terminal of the DC power supply DC through the button switch K4, and the button switch K4 can be used to control whether to provide the DC power supply positive electricity to the fourth control terminal on the solid-state control box 100;

[0106] Pin 52 is connected to the positive terminal of the DC power supply DC through the button switch K3, and the button switch K3 can be used to control whether to provide the DC power supply positive electricity to the 3-way control terminal of the solid-state control box;

[0107] Pin 61 is connected to pin 1 of the solenoid valve DCF and is used to control whether pin 1 of the solenoid valve DCF is connected to the live wire of the AC power supply;

[0108] Pin 62 is connected to pin 14 of relay KM3 and is used to control whether pin 14 of relay KM3 is connected to the live wire of AC power supply;

[0109] Pin 71 is connected to the positive terminal of the DC power supply DC through the button switch K2, and the button switch K2 can be used to control whether to provide the DC power supply DC positive electricity to the second control terminal on the solid-state control box 100;

[0110] Pin 72 is connected to the positive terminal of the DC power supply DC through the button switch K1, and the button switch K1 can be used to control whether to provide the DC power supply DC positive electricity to the first control terminal on the solid-state control box 100;

[0111] Pin 81 is connected to pin 14 of relay KM2 and is used to control whether pin 14 of relay KM2 is connected to the live wire of AC power supply;

[0112] Pin 82 is connected to pin 14 of relay KM1 and is used to control whether pin 14 of relay KM1 is connected to the live wire of the alternating current power source AC.

[0113] It should be noted that, in the present invention, the road refers to a line;

[0114] Figure 2 This is the internal wiring schematic of the solid-state relay. Figure 2 As shown, the solid-state control box includes solid-state relays KM11 to KM16;

[0115] Among them, pin 13 of solid-state relay KM11 is connected to pin 1 of the solid-state control box;

[0116] Pin 14 of solid-state relay KM11 is connected to pin 72 of the solid-state control box;

[0117] Pin 5 of solid-state relay KM11 is connected to pin 4 of solid-state control box;

[0118] Pin 9 of solid-state relay KM11 is connected to pin 82 of the solid-state control box;

[0119] Among them, pin 13 of solid-state relay KM12 is connected to pin 1 of the solid-state control box;

[0120] Pin 14 of solid-state relay KM12 is connected to pin 71 of the solid-state control box;

[0121] Pin 5 of solid-state relay KM12 is connected to pin 4 of the solid-state control box;

[0122] Pin 9 of solid-state relay KM12 is connected to pin 81 of the solid-state control box;

[0123] Among them, pin 13 of solid-state relay KM13 is connected to pin 1 of the solid-state control box;

[0124] Pin 14 of solid-state relay KM13 is connected to pin 52 of the solid-state control box;

[0125] Pin 5 of solid-state relay KM13 is connected to pin 4 of the solid-state control box;

[0126] Pin 9 of solid-state relay KM13 is connected to pin 62 of the solid-state control box;

[0127] Among them, pin 13 of solid-state relay KM14 is connected to pin 1 of the solid-state control box;

[0128] Pin 14 of solid-state relay KM14 is connected to pin 51 of the solid-state control box;

[0129] Pin 5 of solid-state relay KM14 is connected to pin 4 of the solid-state control box;

[0130] Pin 9 of solid-state relay KM14 is connected to pin 61 of the solid-state control box;

[0131] Among them, pin 13 of solid-state relay KM15 is connected to pin 1 of the solid-state control box;

[0132] Pin 14 of solid-state relay KM15 is connected to pin 12 of the solid-state control box;

[0133] Pin 5 of solid-state relay KM15 is connected to pin 2 of the solid-state control box;

[0134] Pin 9 of solid-state relay KM15 is connected to pin 22 of the solid-state control box;

[0135] Among them, pin 13 of solid-state relay KM16 is connected to pin 1 of the solid-state control box;

[0136] Pin 14 of solid-state relay KM16 is connected to pin 11 of the solid-state control box;

[0137] Pin 5 of solid-state relay KM16 is connected to pin 2 of the solid-state control box;

[0138] Pin 9 of solid-state relay KM16 is connected to pin 21 of the solid-state control box;

[0139] In the present invention, in a specific implementation, the solid-state relays KM11 to KM16 are electrical components with mature prior art, which are well-known relays with mature prior art in the railway system, for example, the relays of the JGX-16F / 030-4A380V-0 model produced by Beijing Ketong Electronic Relay General Factory Co., Ltd. can be used;

[0140] It should be noted that the working principle of the solid-state control box is: the solid-state control box is a control box that controls the relay closing and solenoid valve driving of the outdoor speed reducer or parking device by closing and opening the solid-state relay;

[0141] When the hump automatic control system supplies power to the first input terminal (pin 72) and the first and second input terminals (pin 12) of the solid-state control box at the same time, the first input terminal and the first and second input terminals are energized, the coils of the solid-state relay KM11 and the solid-state relay KM15 are energized, and when the contacts of the solid-state relay KM11 and the solid-state relay KM15 are closed, the first output terminal (pin 82) outputs the live wire electricity of the AC power supply AC, and the first and second output terminals (pin 22) output the neutral wire electricity of the AC power supply AC, thereby controlling the closing of the relay KM1 of the first path (line);

[0142] When the hump automatic control system supplies power to the second input terminal (pin 71) and the first and second input terminals (pin 12) of the solid-state control box at the same time, the second input terminal and the first and second input terminals are energized, the coils of the solid-state relay KM12 and the solid-state relay KM15 are energized, and when the contacts of the solid-state relay KM12 and the solid-state relay KM15 are closed, the second output terminal (pin 81) outputs the live wire electricity of the AC power supply AC, and the first and second output terminals (pin 22) output the neutral wire electricity of the AC power supply AC, thereby controlling the closing of the relay KM2 of the second path (line);

[0143] When the hump automatic control system supplies power to the 3rd input terminal (pin 52) and the 3rd and 4th input terminals (pin 11) of the solid-state control box at the same time, the 3rd input terminal and the 3rd and 4th input terminals are energized, the coils of the solid-state relay KM13 and the solid-state relay KM16 are energized, and when the contacts of the solid-state relay KM13 and the solid-state relay KM16 are closed, the 3rd output terminal (pin 62) outputs the live wire electricity of the AC power supply AC, and the 3rd and 4th output terminals (pin 21) output the neutral wire electricity of the AC power supply AC, thereby controlling the closing of the relay KM3 of the 3rd path (line);

[0144] When the hump automatic control system supplies power to the 4th input terminal (pin 51) and the 3rd and 4th input terminals (pin 11) of the solid-state control box at the same time, the 4th input terminal and the 3rd and 4th input terminals are energized, the coils of solid-state relay KM14 and solid-state relay KM16 are energized, and when the contacts of solid-state relay KM14 and solid-state relay KM16 are closed, the 4th output terminal (pin 61) outputs the live wire electricity of the AC power supply AC, and the 3rd and 4th output terminals (pin 21) output the neutral wire electricity of the AC power supply AC, thereby controlling the drive of the solenoid valve DCF of the 4th (line).

[0145] In order to more clearly understand the present invention, the working principles of relays KM1 to KM3 are explained below.

[0146] In the present invention, the relay KM1 is used to test whether the output terminal 1 on the solid-state control box 100 has the function of controlling the relay to close;

[0147] Relay KM2 is used to test whether the 2-way output terminal on the solid-state control box 100 has the function of controlling the relay to close;

[0148] Relay KM3 is used to test whether the 3-way output terminal on the solid-state control box 100 has the function of controlling the relay to close.

[0149] It should be noted that, for the present invention, for relay KM1, when the button switch K1, the button switch K5, and the circuit breaker K7 are closed, pins 22 and 82 of the solid-state control box 100 output AC 220V, so that when the coil between pins 13 and 14 of relay KM1 is energized, the other pins 5 and 9 are closed and connected.

[0150] For relay KM2, when push button switch K2, push button switch K5, and circuit breaker K7 are closed, pin 22 and pin 81 of solid-state control box 100 output AC 220V, so that when the coil between pin 13 and pin 14 of relay KM2 is energized, the other pins 5 and 9 are closed and connected.

[0151] For relay KM3, when push button switch K3, push button switch K6, and circuit breaker K7 are closed, pins 21 and 62 of solid-state control box 100 output AC 220V, so that the coil between pins 13 and 14 of relay KM3 is energized, and the other pins 5 and 9 are closed and connected.

[0152] In the present invention, the two ends of the indicator lights H1~H3 are respectively connected to the solid-state control box 100 and the relays KM1~KM3, and are used to indicate whether the relays KM1~KM3 are powered on and closed, thereby achieving the purpose of indicating whether the 1st to 3rd output ends on the solid-state control box 100 have the function of controlling the corresponding relays to close.

[0153] In the present invention, for the test circuit of the present invention, the functions to be tested include:

[0154] 1. Test whether the output terminals 1 to 3 on the solid-state control box 100 have the function of controlling the corresponding relays KM1 to KM3 to close;

[0155] Second, test whether the fourth output terminal on the solid-state control box 100 has the function of controlling the solenoid valve DCF drive.

[0156] In order to more clearly understand the technical solution of the present invention, the working principle of the present invention is explained below.

[0157] 1. In order to test whether the first output terminal on the solid-state control box 100 has the function of controlling the corresponding relay KM1 to close, the operation mode is as follows;

[0158] First, close the circuit breaker K7, connect the live wire and the neutral wire of the AC power source AC to pins 4 and 2 of the solid-state control box 100, and then the solid-state control box 100 starts to work;

[0159] Then, the button switch K1 is closed again, the positive terminal of the DC power supply DC is connected to the pin 72 of the solid-state control box 100, and the first control terminal of the solid-state control box 100 works, thereby controlling the first output terminal of the solid-state control box 100 to output the live wire power of the AC power supply through the pin 82;

[0160] Then, the button switch K5 is closed again, and the positive terminal of the DC power supply DC is connected to the pin 12 of the solid-state control box 100, and the first and second control terminals of the solid-state control box 100 work, thereby controlling the first and second output terminals of the solid-state control box 100 to output the neutral line electricity of the AC power supply through the pin 22; when the coil between the pin 13 and the pin 14 of the relay KM1 is energized, the other pins 5 and 9 are closed and connected;

[0161] Then, the live wire and the neutral wire of the AC power source AC are connected to pins 1 and 2 of the indicator light H1, so that the indicator light H1 lights up, and finally the purpose of testing whether the first output end of the solid-state control box 100 has the function of controlling the relay to close is achieved.

[0162] Among them, the indicator light H1 is on, indicating that the test of "the first output terminal on the solid-state control box 100 has the function of controlling the closing of the relay" is passed; the indicator light H1 is not on, indicating that the test of "the first output terminal on the solid-state control box 100 has the function of controlling the closing of the relay" is unqualified.

[0163] Second, in order to test whether the second output terminal on the solid-state control box 100 has the function of controlling the corresponding relay KM1 to close, the operation mode is as follows;

[0164] First, close the circuit breaker K7, connect the live wire and the neutral wire of the AC power source AC to pins 4 and 2 of the solid-state control box 100, and then the solid-state control box 100 starts to work;

[0165] Then, the button switch K2 is closed again, and the positive terminal of the DC power supply DC is connected to the pin 71 of the solid-state control box 100, and the second control terminal of the solid-state control box 100 works, thereby controlling the two output terminals of the solid-state control box 100 to output the live wire electricity of the AC power supply through the pin 81;

[0166] Then, the button switch K5 is closed again, and the positive terminal of the DC power supply DC is connected to the pin 12 of the solid-state control box 100, and the first and second control terminals of the solid-state control box 100 work, thereby controlling the first and second output terminals of the solid-state control box 100 to output the neutral line electricity of the AC power supply through the pin 22; when the coil between the pin 13 and the pin 14 of the relay KM2 is energized, the other pins 5 and 9 are closed and connected;

[0167] Then, the live wire and the neutral wire of the AC power source AC are connected to pins 1 and 2 of the indicator light H2, so that the indicator light H2 lights up, and finally the purpose of testing whether the second output end of the solid-state control box 100 has the function of controlling the relay to close is achieved.

[0168] Among them, the indicator light H2 is on, indicating that the test of "the second output terminal on the solid-state control box 100 has the function of controlling the closing of the relay" is passed; the indicator light H2 is not on, indicating that the test of "the second output terminal on the solid-state control box 100 has the function of controlling the closing of the relay" is unqualified.

[0169] 3. In order to test whether the third output terminal on the solid-state control box 100 has the function of controlling the corresponding relay KM1 to close, the operation mode is as follows;

[0170] First, close the circuit breaker K7, connect the live wire and the neutral wire of the AC power source AC to pins 4 and 2 of the solid-state control box 100, and then the solid-state control box 100 starts to work;

[0171] Then, the button switch K3 is closed again, the positive terminal of the DC power supply DC is connected to the pin 52 of the solid-state control box 100, and the 3-way control terminal of the solid-state control box 100 works, thereby controlling the 3-way output terminal of the solid-state control box 100 to output the live wire electricity of the AC power supply through the pin 62;

[0172] Then, the button switch K6 is closed again, and the positive terminal of the DC power supply DC is connected to the pin 11 of the solid-state control box 100, and the 3rd and 4th control terminals of the solid-state control box 100 work, thereby controlling the 3rd and 4th output terminals of the solid-state control box 100 to output the neutral line electricity of the AC power supply through the pin 21; when the coil between the pin 13 and the pin 14 of the relay KM3 is energized, the other pins 5 and 9 are closed and connected;

[0173] Then, the live wire and the neutral wire of the AC power source AC are connected to pins 1 and 2 of the indicator light H3, so that the indicator light H3 lights up, and finally the purpose of testing whether the 3-way output end of the solid-state control box 100 has the function of controlling the relay to close is achieved.

[0174] Among them, the indicator light H3 is on, indicating that the test of "the 3rd output terminal on the solid-state control box 100 has the function of controlling the closing of the relay" is passed; the indicator light H3 is not on, indicating that the test of "the 3rd output terminal on the solid-state control box 100 has the function of controlling the closing of the relay" is unqualified.

[0175] 4. In order to test whether the 4th output terminal on the solid-state control box 100 has the function of controlling the solenoid valve DCF drive, the operation mode is as follows;

[0176] First, close the circuit breaker K7, connect the live wire and the neutral wire of the AC power source AC to pins 4 and 2 of the solid-state control box 100, and then the solid-state control box 100 starts to work;

[0177] Then, the button switch K4 is closed again, the positive terminal of the DC power supply DC is connected to the pin 51 of the solid-state control box 100, and the fourth control terminal of the solid-state control box 100 works, thereby controlling the 4-way output terminal of the solid-state control box 100 to output the live wire power of the AC power supply through the pin 61;

[0178] Then, the button switch K6 is closed again, and the positive end of the DC power supply DC is connected to the pin 11 of the solid-state control box 100, and the 3rd and 4th control terminals of the solid-state control box 100 work, thereby controlling the 3rd and 4th output terminals of the solid-state control box 100 to output the neutral line electricity of the AC power supply through the pin 21; so that the DCF pin 1 and the DCF pin 2 of the solenoid valve are energized, and the DCF solenoid valve is driven, and finally the purpose of testing whether the 4-way output terminals of the solid-state control box 100 have the function of controlling the driving function of the solenoid valve is achieved.

[0179] Among them, if the solenoid valve DCF is driven, it means that the test of "the 4th output terminal on the solid-state control box 100 has the function of controlling the driving of the solenoid valve DCF" is passed; if the solenoid valve DCF is not driven, it means that the test of "the 4th output terminal on the solid-state control box 100 has the function of controlling the closing of the relay" is unqualified.

[0180] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A solid-state control box test circuit, characterized in that: It includes an AC power supply AC, a DC power supply DC, push button switches K1-K6, a circuit breaker K7, relays KM1-KM3, indicator lights H1-H3 and a solenoid valve DCF; An alternating current power source AC, connected to the circuit breaker K7, for providing an alternating current voltage to the solid-state control box (100); A direct current power source DC is connected to the solid-state control box (100) and one end of the button switches K1 to K6, respectively, and is used to provide a direct current voltage to the solid-state control box (100); A circuit breaker K7, connected to the solid-state control box (100), and used to control the electrical connection between the solid-state control box (100) and the alternating current power source AC; The other ends of the button switches K1 to K6 are connected to the solid-state control box (100) and are used to control the electrical connection between the solid-state control box (100) and the direct current power supply DC; The relay KM1 is connected to one end of the solid-state control box (100) and the indicator light H1 respectively; Relay KM2 is connected to one end of the solid-state control box (100) and the indicator light H2 respectively; The relay KM3 is connected to one end of the solid-state control box (100) and the indicator light H3 respectively; The other ends of the indicator lights H1 to H3 are respectively connected to the solid-state control box (100); The solenoid valve DCF is connected to the solid-state control box (100).

2. The solid-state control box test circuit as claimed in claim 1, characterized in that: The positive terminal of the DC power supply DC is connected to the pin 1 of the push button switches K1 to K6 respectively; The negative terminal of the DC power supply is connected to pin 1 of the solid-state control box.

3. The solid-state control box test circuit as claimed in claim 1, characterized in that: Pins 1 of the push button switches K1 to K6 are respectively connected to the positive terminals of the DC power supply DC; Pin 2 of the push button switch K1 is connected to pin 72 of the solid-state control box; Pin 2 of the push button switch K2 is connected to pin 71 of the solid-state control box; Pin 2 of the push button switch K3 is connected to pin 52 of the solid-state control box; Pin 2 of the push button switch K4 is connected to pin 51 of the solid-state control box; Pin 2 of the push button switch K5 is connected to pin 12 of the solid-state control box; Pin 2 of the push button switch K6 is connected to pin 11 of the solid-state control box.

4. The solid-state control box test circuit as claimed in claim 1, characterized in that: The live wire terminal L of the AC power source AC is connected to the live wire access terminal 1 of the circuit breaker K7; The neutral terminal N of the AC power source AC is connected to the neutral line access terminal 3 of the circuit breaker K7; The live wire output terminal 2 of the circuit breaker K7 is connected to the pin 4 of the solid-state control box; The neutral line output terminal 4 of the circuit breaker K7 is connected to the pin 2 of the solid-state control box.

5. The solid-state control box test circuit as claimed in claim 1, characterized in that: Pin 5 of relay KM1 is connected to pin 4 of solid-state control box (100); Pin 9 of relay KM1 is connected to pin 1 of indicator light H1; Pin 13 of relay KM1 is connected to pin 22 of solid-state control box (100); Pin 14 of relay KM1 is connected to pin 82 of solid-state control box (100).

6. The solid-state control box test circuit as claimed in claim 1, characterized in that: Pin 5 of relay KM2 is connected to pin 4 of the solid-state control box; Pin 9 of relay KM2 is connected to pin 1 of indicator light H2; Pin 13 of relay KM2 is connected to pin 22 of solid-state control box (100); Pin 14 of relay KM2 is connected to pin 81 of solid-state control box (100).

7. The solid-state control box test circuit as claimed in claim 1, characterized in that: Pin 5 of relay KM3 is connected to pin 4 of solid-state control box (100); Pin 9 of relay KM3 is connected to pin 1 of indicator light H3; Pin 13 of relay KM3 is connected to pin 21 of solid-state control box (100) and pin 2 of solenoid valve DCF respectively; Pin 14 of relay KM3 is connected to pin 62 of solid-state control box (100).

8. The solid-state control box test circuit according to any one of claims 1 to 7, characterized in that: Pin 1 of indicator light H1 is connected to pin 9 of relay KM1; Pin 2 of indicator light H1 is connected to pin 2 of solid-state control box (100); Pin 1 of indicator light H2 is connected to pin 9 of relay KM2; Pin 2 of indicator light H2 is connected to pin 2 of solid-state control box (100); Pin 1 of indicator light H3 is connected to pin 9 of relay KM3; Pin 2 of the indicator light H3 is connected to pin 2 of the solid-state control box (100).

9. The solid-state control box test circuit according to any one of claims 1 to 7, characterized in that: Pin 1 of the solenoid valve DCF is connected to pin 61 of the solid-state control box (100); Pin 2 of the solenoid valve DCF is connected to pin 21 of the solid-state control box (100).

10. A solid-state control box testing device, characterized in that: Comprising a solid-state control box test circuit as claimed in any one of claims 1 to 9.

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